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40
.forgejo/workflows/email.yml
View file

@ -351,22 +351,24 @@ jobs:
fi fi
echo "OK" echo "OK"
# C4b wired the inbox to a real backend fetch, so sample_thread() is # The inbox list is populated from email_store::sample_thread()
# now TEST-ONLY: it must never be called from the UI crate at all. # because no receive path exists yet (finding A1, plan C1). That is
# A hard zero keeps the placeholder from sneaking back into the # acceptable as scaffolding and unacceptable as a shipped state, so
# shipping path under a new name or call site. # keep it visible: the name must stay `sample_`-prefixed and must
- name: Development sample data must not reach the UI # not spread beyond the one call site.
- name: Development sample data must stay obvious and contained
run: | run: |
set -euo pipefail set -euo pipefail
count=$(grep -rn 'sample_thread' --include='*.rs' \ # Count CALL sites, not the import line.
count=$(grep -rn 'sample_thread()' --include='*.rs' \
crates/apps/nigig-email/src | wc -l) crates/apps/nigig-email/src | wc -l)
if [ "$count" -gt 0 ]; then if [ "$count" -gt 1 ]; then
grep -rn 'sample_thread' --include='*.rs' crates/apps/nigig-email/src grep -rn 'sample_thread' --include='*.rs' crates/apps/nigig-email/src
echo echo
echo "ERROR: sample_thread() is referenced $count times in the UI." echo "ERROR: sample_thread() is referenced $count times in the"
echo "The inbox fetches real mail now (C4b). Sample data is for" echo "UI. It is placeholder data for one call site until a real"
echo "tests only; any UI reference is a regression to the" echo "fetch lands (plan C1/C4b). Spreading it makes the"
echo "placeholder list." echo "placeholder load-bearing."
exit 1 exit 1
fi fi
echo "OK" echo "OK"
@ -405,23 +407,15 @@ jobs:
echo "$HOME/.cargo/bin" >> "$GITHUB_PATH" echo "$HOME/.cargo/bin" >> "$GITHUB_PATH"
- name: Email domain tests - name: Email domain tests
run: "cargo test --locked -p nigig-core --lib -- email_ secret:: mail_backend:: mail_proxy:: imap_client:: credential_store::" run: "cargo test --locked -p nigig-core --lib -- email_ secret:: mail_backend:: mail_proxy::"
# A floor, not a ratchet: these tests are cheap, pure, and the # A floor, not a ratchet: these tests are cheap, pure, and the
# number should only go up. 38 at Phase 0; 154 after C1c/C1d; # number should only go up. 38 at Phase 0; 154 after C1c/C1d.
# 195 after the Phase C/D completion.
- name: The email domain test suite must not shrink - name: The email domain test suite must not shrink
run: | run: |
set -euo pipefail set -euo pipefail
FLOOR=190 FLOOR=150
out="$(cargo test --locked -p nigig-core --lib -- email_ secret:: mail_backend:: mail_proxy:: imap_client:: credential_store:: 2>&1)" out="$(cargo test --locked -p nigig-core --lib -- email_ secret:: mail_backend:: mail_proxy:: 2>&1)"
# C1e: the IMAP transport is feature-gated (native only). It must
# still COMPILE when the feature is on, or the direct backend's read
# path silently rots. A check, not a test: the socket is not
# exercised, only type-checked.
- name: The IMAP feature must compile
run: cargo check --locked -p nigig-core --features imap
# A coverage number that is only printed drifts down. This enforces a # A coverage number that is only printed drifts down. This enforces a
# whole-domain floor plus per-file floors on the files that have # whole-domain floor plus per-file floors on the files that have

449
Cargo.lock generated
View file

@ -154,167 +154,6 @@ dependencies = [
"libloading 0.8.9 (git+https://gitdab.com/andodeki/makepad?rev=ecf5a572ab62a1c1598909971f602f99083671cc)", "libloading 0.8.9 (git+https://gitdab.com/andodeki/makepad?rev=ecf5a572ab62a1c1598909971f602f99083671cc)",
] ]
[[package]]
name = "async-channel"
version = "1.9.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "81953c529336010edd6d8e358f886d9581267795c61b19475b71314bffa46d35"
dependencies = [
"concurrent-queue",
"event-listener 2.5.3",
"futures-core",
]
[[package]]
name = "async-channel"
version = "2.5.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "924ed96dd52d1b75e9c1a3e6275715fd320f5f9439fb5a4a11fa51f4221158d2"
dependencies = [
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"event-listener-strategy",
"futures-core",
"pin-project-lite",
]
[[package]]
name = "async-imap"
version = "0.9.7"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "98892ebee4c05fc66757e600a7466f0d9bfcde338f645d64add323789f26cb36"
dependencies = [
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"async-std",
"base64 0.21.7",
"bytes",
"chrono",
"futures",
"imap-proto",
"log 0.4.33",
"nom 7.1.3",
"once_cell 1.21.4",
"pin-utils",
"self_cell",
"stop-token",
"thiserror 1.0.69",
]
[[package]]
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source = "registry+https://github.com/rust-lang/crates.io-index"
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"cfg-if 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
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"rustix",
"slab",
"windows-sys 0.61.2",
]
[[package]]
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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]
[[package]]
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"url",
]
[[package]]
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[[package]]
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dependencies = [
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"async-io",
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"async-signal",
"async-task",
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"rustix",
]
[[package]]
name = "async-signal"
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dependencies = [
"async-io",
"async-lock",
"atomic-waker",
"cfg-if 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
"futures-core",
"futures-io",
"rustix",
"signal-hook-registry",
"slab",
"windows-sys 0.61.2",
]
[[package]]
name = "async-std"
version = "1.13.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2c8e079a4ab67ae52b7403632e4618815d6db36d2a010cfe41b02c1b1578f93b"
dependencies = [
"async-channel 1.9.0",
"async-io",
"async-lock",
"async-process",
"crossbeam-utils",
"futures-channel",
"futures-core",
"futures-io",
"memchr 2.8.3",
"once_cell 1.21.4",
"pin-project-lite",
"pin-utils",
"slab",
"wasm-bindgen-futures",
]
[[package]]
name = "async-task"
version = "4.7.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8b75356056920673b02621b35afd0f7dda9306d03c79a30f5c56c44cf256e3de"
[[package]] [[package]]
name = "async-trait" name = "async-trait"
version = "0.1.92" version = "0.1.92"
@ -347,12 +186,6 @@ version = "1.5.1"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f2032f911046de80f0a198e0901378627c33f59ea0ac00e363d481118bd70a53" checksum = "f2032f911046de80f0a198e0901378627c33f59ea0ac00e363d481118bd70a53"
[[package]]
name = "base64"
version = "0.21.7"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9d297deb1925b89f2ccc13d7635fa0714f12c87adce1c75356b39ca9b7178567"
[[package]] [[package]]
name = "base64" name = "base64"
version = "0.22.1" version = "0.22.1"
@ -431,19 +264,6 @@ dependencies = [
"objc2", "objc2",
] ]
[[package]]
name = "blocking"
version = "1.6.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e83f8d02be6967315521be875afa792a316e28d57b5a2d401897e2a7921b7f21"
dependencies = [
"async-channel 2.5.0",
"async-task",
"futures-io",
"futures-lite",
"piper",
]
[[package]] [[package]]
name = "brotli" name = "brotli"
version = "8.0.4" version = "8.0.4"
@ -677,15 +497,6 @@ dependencies = [
"memchr 2.8.3", "memchr 2.8.3",
] ]
[[package]]
name = "concurrent-queue"
version = "2.5.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4ca0197aee26d1ae37445ee532fefce43251d24cc7c166799f4d46817f1d3973"
dependencies = [
"crossbeam-utils",
]
[[package]] [[package]]
name = "convert_case" name = "convert_case"
version = "0.6.0" version = "0.6.0"
@ -695,16 +506,6 @@ dependencies = [
"unicode-segmentation 1.13.3", "unicode-segmentation 1.13.3",
] ]
[[package]]
name = "core-foundation"
version = "0.10.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b2a6cd9ae233e7f62ba4e9353e81a88df7fc8a5987b8d445b4d90c879bd156f6"
dependencies = [
"core-foundation-sys",
"libc",
]
[[package]] [[package]]
name = "core-foundation-sys" name = "core-foundation-sys"
version = "0.8.7" version = "0.8.7"
@ -975,32 +776,6 @@ dependencies = [
"syn 2.0.119", "syn 2.0.119",
] ]
[[package]]
name = "event-listener"
version = "2.5.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0206175f82b8d6bf6652ff7d71a1e27fd2e4efde587fd368662814d6ec1d9ce0"
[[package]]
name = "event-listener"
version = "5.4.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5a23add41df1562121a9393cb065eab5146a1242410f23a644851e90cfd669d2"
dependencies = [
"parking",
"pin-project-lite",
]
[[package]]
name = "event-listener-strategy"
version = "0.5.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8be9f3dfaaffdae2972880079a491a1a8bb7cbed0b8dd7a347f668b4150a3b93"
dependencies = [
"event-listener 5.4.2",
"pin-project-lite",
]
[[package]] [[package]]
name = "fallible-iterator" name = "fallible-iterator"
version = "0.3.0" version = "0.3.0"
@ -1061,21 +836,6 @@ name = "foldhash"
version = "0.2.0" version = "0.2.0"
source = "git+https://gitdab.com/andodeki/makepad?rev=ecf5a572ab62a1c1598909971f602f99083671cc#ecf5a572ab62a1c1598909971f602f99083671cc" source = "git+https://gitdab.com/andodeki/makepad?rev=ecf5a572ab62a1c1598909971f602f99083671cc#ecf5a572ab62a1c1598909971f602f99083671cc"
[[package]]
name = "foreign-types"
version = "0.3.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f6f339eb8adc052cd2ca78910fda869aefa38d22d5cb648e6485e4d3fc06f3b1"
dependencies = [
"foreign-types-shared",
]
[[package]]
name = "foreign-types-shared"
version = "0.1.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "00b0228411908ca8685dba7fc2cdd70ec9990a6e753e89b6ac91a84c40fbaf4b"
[[package]] [[package]]
name = "form_urlencoded" name = "form_urlencoded"
version = "1.2.2" version = "1.2.2"
@ -1093,7 +853,6 @@ checksum = "9a31d2a3fbaaeb2af2368bbdd904aa8e812d3c04a1ee10d3171f52d556e5d0a3"
dependencies = [ dependencies = [
"futures-channel", "futures-channel",
"futures-core", "futures-core",
"futures-executor",
"futures-io", "futures-io",
"futures-sink", "futures-sink",
"futures-task", "futures-task",
@ -1116,36 +875,12 @@ version = "0.3.34"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "92d699e522242e69e3003b94ecc1f960f3a5e015aa7c5d7486e65ad01dd94f5e" checksum = "92d699e522242e69e3003b94ecc1f960f3a5e015aa7c5d7486e65ad01dd94f5e"
[[package]]
name = "futures-executor"
version = "0.3.34"
source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"futures-task",
"futures-util",
]
[[package]] [[package]]
name = "futures-io" name = "futures-io"
version = "0.3.34" version = "0.3.34"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "53c0fa8157de1303bfffdaa1cc2a673bfffb60102f76b0ef4441659124373fed" checksum = "53c0fa8157de1303bfffdaa1cc2a673bfffb60102f76b0ef4441659124373fed"
[[package]]
name = "futures-lite"
version = "2.6.1"
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dependencies = [
"fastrand",
"futures-core",
"futures-io",
"parking",
"pin-project-lite",
]
[[package]] [[package]]
name = "futures-macro" name = "futures-macro"
version = "0.3.34" version = "0.3.34"
@ -1175,7 +910,6 @@ version = "0.3.34"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0d50a92467f8ba5dd6e3ee5d4bd04d73ab2e4e1c44474a0674821dfce14b79bc" checksum = "0d50a92467f8ba5dd6e3ee5d4bd04d73ab2e4e1c44474a0674821dfce14b79bc"
dependencies = [ dependencies = [
"futures-channel",
"futures-core", "futures-core",
"futures-io", "futures-io",
"futures-macro", "futures-macro",
@ -1322,12 +1056,6 @@ version = "0.5.0"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea" checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
[[package]]
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[[package]] [[package]]
name = "hexf-parse" name = "hexf-parse"
version = "0.2.1" version = "0.2.1"
@ -1689,15 +1417,6 @@ dependencies = [
"png", "png",
] ]
[[package]]
name = "imap-proto"
version = "0.16.7"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "25f6af35c6a517aea5c72314abe90134980d2ae6a763809b50c208b3e429d71f"
dependencies = [
"nom 7.1.3",
]
[[package]] [[package]]
name = "imghdr" name = "imghdr"
version = "0.7.0" version = "0.7.0"
@ -1813,7 +1532,7 @@ dependencies = [
"httpdate", "httpdate",
"idna", "idna",
"mime", "mime",
"nom 8.0.0", "nom",
"percent-encoding", "percent-encoding",
"quoted_printable", "quoted_printable",
"rustls", "rustls",
@ -2601,12 +2320,6 @@ dependencies = [
"unicase 2.9.0 (registry+https://github.com/rust-lang/crates.io-index)", "unicase 2.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
] ]
[[package]]
name = "minimal-lexical"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]] [[package]]
name = "miniz_oxide" name = "miniz_oxide"
version = "0.7.4" version = "0.7.4"
@ -2719,23 +2432,6 @@ dependencies = [
"libloading 0.8.9 (registry+https://github.com/rust-lang/crates.io-index)", "libloading 0.8.9 (registry+https://github.com/rust-lang/crates.io-index)",
] ]
[[package]]
name = "native-tls"
version = "0.2.18"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "465500e14ea162429d264d44189adc38b199b62b1c21eea9f69e4b73cb03bbf2"
dependencies = [
"libc",
"log 0.4.33",
"openssl",
"openssl-probe",
"openssl-sys",
"schannel",
"security-framework",
"security-framework-sys",
"tempfile",
]
[[package]] [[package]]
name = "ndk-context" name = "ndk-context"
version = "0.1.1" version = "0.1.1"
@ -2820,9 +2516,6 @@ dependencies = [
name = "nigig-core" name = "nigig-core"
version = "0.1.0" version = "0.1.0"
dependencies = [ dependencies = [
"async-imap",
"async-native-tls",
"async-net",
"cfg-if 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)", "cfg-if 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
"chrono", "chrono",
"clap", "clap",
@ -3227,16 +2920,6 @@ dependencies = [
"libc", "libc",
] ]
[[package]]
name = "nom"
version = "7.1.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
"memchr 2.8.3",
"minimal-lexical",
]
[[package]] [[package]]
name = "nom" name = "nom"
version = "8.0.0" version = "8.0.0"
@ -3383,49 +3066,6 @@ version = "1.70.2"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "384b8ab6d37215f3c5301a95a4accb5d64aa607f1fcb26a11b5303878451b4fe" checksum = "384b8ab6d37215f3c5301a95a4accb5d64aa607f1fcb26a11b5303878451b4fe"
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"openssl-sys",
]
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"quote",
"syn 2.0.119",
]
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version = "0.9.117"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b47e7e6bb2c38cd930d25a23b40fa52e068c10e85f3e03a7f5ba5aaca5713695"
dependencies = [
"cc",
"libc",
"pkg-config 0.3.34",
"vcpkg",
]
[[package]] [[package]]
name = "option-ext" name = "option-ext"
version = "0.2.0" version = "0.2.0"
@ -3494,12 +3134,6 @@ dependencies = [
"url", "url",
] ]
[[package]]
name = "parking"
version = "2.2.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f38d5652c16fde515bb1ecef450ab0f6a219d619a7274976324d5e377f7dceba"
[[package]] [[package]]
name = "parking_lot" name = "parking_lot"
version = "0.12.5" version = "0.12.5"
@ -3535,23 +3169,6 @@ version = "0.2.17"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a89322df9ebe1c1578d689c92318e070967d1042b512afbe49518723f4e6d5cd" checksum = "a89322df9ebe1c1578d689c92318e070967d1042b512afbe49518723f4e6d5cd"
[[package]]
name = "pin-utils"
version = "0.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
[[package]]
name = "piper"
version = "0.2.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "c835479a4443ded371d6c535cbfd8d31ad92c5d23ae9770a61bc155e4992a3c1"
dependencies = [
"atomic-waker",
"fastrand",
"futures-io",
]
[[package]] [[package]]
name = "pkg-config" name = "pkg-config"
version = "0.3.32" version = "0.3.32"
@ -3576,20 +3193,6 @@ dependencies = [
"miniz_oxide 0.8.9", "miniz_oxide 0.8.9",
] ]
[[package]]
name = "polling"
version = "3.11.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5d0e4f59085d47d8241c88ead0f274e8a0cb551f3625263c05eb8dd897c34218"
dependencies = [
"cfg-if 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
"concurrent-queue",
"hermit-abi",
"pin-project-lite",
"rustix",
"windows-sys 0.61.2",
]
[[package]] [[package]]
name = "pollster" name = "pollster"
version = "0.4.0" version = "0.4.0"
@ -4328,15 +3931,6 @@ dependencies = [
"winapi-util", "winapi-util",
] ]
[[package]]
name = "schannel"
version = "0.1.29"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "91c1b7e4904c873ef0710c1f407dde2e6287de2bebc1bbbf7d430bb7cbffd939"
dependencies = [
"windows-sys 0.61.2",
]
[[package]] [[package]]
name = "scoped-tls" name = "scoped-tls"
version = "1.0.1" version = "1.0.1"
@ -4353,35 +3947,6 @@ name = "sdfer"
version = "0.2.1" version = "0.2.1"
source = "git+https://gitdab.com/andodeki/makepad?rev=ecf5a572ab62a1c1598909971f602f99083671cc#ecf5a572ab62a1c1598909971f602f99083671cc" source = "git+https://gitdab.com/andodeki/makepad?rev=ecf5a572ab62a1c1598909971f602f99083671cc#ecf5a572ab62a1c1598909971f602f99083671cc"
[[package]]
name = "security-framework"
version = "3.7.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b7f4bc775c73d9a02cde8bf7b2ec4c9d12743edf609006c7facc23998404cd1d"
dependencies = [
"bitflags 2.13.1",
"core-foundation",
"core-foundation-sys",
"libc",
"security-framework-sys",
]
[[package]]
name = "security-framework-sys"
version = "2.17.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6ce2691df843ecc5d231c0b14ece2acc3efb62c0a398c7e1d875f3983ce020e3"
dependencies = [
"core-foundation-sys",
"libc",
]
[[package]]
name = "self_cell"
version = "1.3.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2ab42ca02749e120097e328d91d415325bdf43b1c72c4c8badf37375fe40a813"
[[package]] [[package]]
name = "semver" name = "semver"
version = "1.0.28" version = "1.0.28"
@ -4544,18 +4109,6 @@ version = "1.2.1"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6ce2be8dc25455e1f91df71bfa12ad37d7af1092ae736f3a6cd0e37bc7810596" checksum = "6ce2be8dc25455e1f91df71bfa12ad37d7af1092ae736f3a6cd0e37bc7810596"
[[package]]
name = "stop-token"
version = "0.7.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "af91f480ee899ab2d9f8435bfdfc14d08a5754bd9d3fef1f1a1c23336aad6c8b"
dependencies = [
"async-channel 1.9.0",
"cfg-if 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
"futures-core",
"pin-project-lite",
]
[[package]] [[package]]
name = "streem" name = "streem"
version = "0.1.0" version = "0.1.0"

45
REVIEWS/NIGIG_EMAIL_ASSESSMENT_AND_PLAN.md
View file

@ -530,22 +530,17 @@ snapshot. Commits are on `main`.
| *(this turn)* | **Phase A complete** — `Secret` newtype; `SmtpConfig` no longer derives `Serialize`; `relay()`; explicit TLS policy; local validation; HTTPS-only proxy endpoint; email THREAT_MODEL. Domain tests **38 → 68**. | | *(this turn)* | **Phase A complete** — `Secret` newtype; `SmtpConfig` no longer derives `Serialize`; `relay()`; explicit TLS policy; local validation; HTTPS-only proxy endpoint; email THREAT_MODEL. Domain tests **38 → 68**. |
| *(this turn)* | **C1d + C1c DONE** — `mail_proxy.rs` (the proxy HTTP client: request/response parsing, error mapping, a transport trait with reqwest/fetch/mock impls); `SetupDraft` (identity + backend, validated together); the backend chooser and two setup forms in `EmailAccountSetup`; the inbox branches to `spawn_proxy_verify` for the proxy backend. Domain tests **126 → 154**. Coverage tooling (`tools/test-email-coverage.sh`, 93.4% line, floors enforced) wired into `email.yml`. | | *(this turn)* | **C1d + C1c DONE** — `mail_proxy.rs` (the proxy HTTP client: request/response parsing, error mapping, a transport trait with reqwest/fetch/mock impls); `SetupDraft` (identity + backend, validated together); the backend chooser and two setup forms in `EmailAccountSetup`; the inbox branches to `spawn_proxy_verify` for the proxy backend. Domain tests **126 → 154**. Coverage tooling (`tools/test-email-coverage.sh`, 93.4% line, floors enforced) wired into `email.yml`. |
| *(this turn)* | **Phase C + D COMPLETE** — C1e (`imap_client.rs`: trait + pure INTERNALDATE parser + feature-gated async-imap transport, native only); C1f (`credential_store.rs`: trait + fail-closed default); C3 (`email_cache.rs`: bodies through a `BodyCipher` before disk); C4b (inbox fetches real mail, loading/error/empty states); C5 (Compose sends via `spawn_send_message`); C6 (`email_pacing.rs`: `SendRateLimiter`+`SendPacing`, 100/hour); C7 (Refresh button re-fetches); D1 (More page is real: account + sign-out); D2 (lib.rs shims deleted, `NavigationBarAction` in a real module); D3 (`CachedWidget` decision documented); D4 (one-slot SMTP transport pool, keying tested); D5 (`EmailWorkerAction::None` dropped). Domain tests **154 → 195**. Coverage now **90.7%** over 12 files, floors enforced. |
**Phase 0 is complete.** All seven items done; 0.7 was fixed upstream. **Phase 0 is complete.** All seven items done; 0.7 was fixed upstream.
**Phase C is complete.** All of C1 (both backends: the proxy HTTP client **Phase C is in progress.** C1a, C1b, C1c and C1d are done: the
and the IMAP protocol client), C2 (domain model), C3 (encrypted-at-rest `MailBackend` trait boundary and both validation halves exist, the chooser
cache seam), C4a/C4b (inbox list + thread reader, wired to a real fetch), and the two setup forms are in the UI, and the proxy backend is a real HTTP
C5 (Compose send), C6 (pacing primitives) and C7 (refresh) are done. client (verified against a mock transport, driven by `reqwest`/`fetch` in
Domain tests **99 → 195**. production). Domain tests **99 → 154**. Next: C1e (the IMAP protocol
client, native only, gated behind a feature), then C1f (keystore-backed
The honest caveats carry forward unchanged: the SMTP and IMAP *sockets*, credentials), C3 (encrypted persistence), C4b (wire the inbox to a real
the reqwest/fetch transports, the platform keystore and the connection fetch), C5 (Compose send button), C6 (bulk pacing), C7 (pull-to-refresh).
pool's reuse are not host-verified -- each is a read of the library's
contract or a platform task, not an observed handshake. The seams around
them (parsing, keying, error mapping, validation) ARE all tested. See
§8 and the per-module "What is not verified" notes.
**Phase B is complete.** B1 was the live **Phase B is complete.** B1 was the live
Critical: the field labelled "To (comma-separated)" was parsed by Critical: the field labelled "To (comma-separated)" was parsed by
@ -696,12 +691,12 @@ send-only form. **It needs a product decision before any code.**
|---|---| |---|---|
| **C1** | **DECIDE THE RECEIVE STRATEGY — the one blocking question.** IMAP on device (`async-imap`) vs a server-side proxy API. See the decision note below. **Everything else in this phase is either done or waits on this.** | | **C1** | **DECIDE THE RECEIVE STRATEGY — the one blocking question.** IMAP on device (`async-imap`) vs a server-side proxy API. See the decision note below. **Everything else in this phase is either done or waits on this.** |
| ~~C2~~ | ~~**Define the domain model.**~~ **DONE** (`5a5b817`) — `EmailMessage`, `EmailThreadSummary`, grouping, previews, filtering. 38 tests. `Folder` deliberately deferred: it is meaningless until C1 says whether folders come from IMAP or from a proxy's schema. | | ~~C2~~ | ~~**Define the domain model.**~~ **DONE** (`5a5b817`) — `EmailMessage`, `EmailThreadSummary`, grouping, previews, filtering. 38 tests. `Folder` deliberately deferred: it is meaningless until C1 says whether folders come from IMAP or from a proxy's schema. |
| ~~C3~~ | ~~**Persistence.**~~ **DONE** — `email_cache.rs`: a local cache whose bodies pass through a `BodyCipher` before hitting disk (hex-encoded ciphertext in the JSON, never the plaintext body). The production cipher is the C1f keystore key; `PlaintextBodyCipher` is the honest default until then, and the whole pipeline (serialize/encrypt/decrypt/deserialize) is host-tested against a reversible test cipher. | | C3 | **Persistence** — reuse `nigig-core::persistence`; bodies encrypted at rest, per SMS E1/E3. Note `EmailMessage.body` is *not* `#[serde(skip)]`-ed the way `OfflineSmsMessage.body` is, because a mail cache that drops bodies is useless — so encryption is mandatory here, not optional. |
| ~~C4a~~ | ~~**Inbox list + thread reader.**~~ **DONE** (`18bbb7b`) — sender list, thread push/pop, unread handling, signed-out gate. | | ~~C4a~~ | ~~**Inbox list + thread reader.**~~ **DONE** (`18bbb7b`) — sender list, thread push/pop, unread handling, signed-out gate. |
| ~~C4b~~ | ~~**Wire it to real data.**~~ **DONE** — `sample_thread()` is gone from the UI (test-only now, gated in CI); the inbox fetches via `spawn_fetch_inbox` (backend-agnostic) and renders loading / error / empty states. | | C4b | **Wire it to real data.** Replace `sample_thread()` with the C1 fetch. Add loading / error / empty states — currently only empty exists. |
| ~~C5~~ | ~~**Give Compose a send button.**~~ **DONE** — `compose.rs` is a real form: to/subject/body, `EmailSendRequest::build_without_config` validation, two-tap confirm, and `spawn_send_message` (branches on the signed-in backend). | | C5 | **Give Compose a send button** wired to B2, replacing the scaffold. |
| ~~C6~~ | ~~**Bulk pacing.**~~ **DONE** — `email_pacing.rs`: `SendRateLimiter` + `SendPacing` ported with email-shaped limits (100/hour). Primitives are tested; no per-recipient loop exists to wire them into yet (the bulk path is one message to N recipients). | | C6 | **Bulk pacing.** Email providers rate-limit harder than carriers. Port `SendPacing` from `robius-sms` — already generic arithmetic. |
| ~~C7~~ | ~~**Pull-to-refresh + background fetch.**~~ **DONE** — a Refresh button re-fetches; the fetch is worker → `InboxFetched` action → drained on the UI thread (the `Cx::post_action` shape, equivalent to SMS's `SignalToUI`). A gesture-based pull is deferred: Makepad has no pull-to-refresh primitive and the button is the cross-platform control. | | C7 | **NEW — pull-to-refresh + background fetch** once C1 lands. The SMS crate's D1/D2 pattern (worker thread → results queue → `SignalToUI` → drained on the UI thread) applies directly; do not fetch from `draw_walk`. |
#### C1 — DECIDED: support both, user-selectable #### C1 — DECIDED: support both, user-selectable
@ -770,8 +765,8 @@ extends cleanly.
| ~~C1b~~ | **DONE** — `BackendDraft::validate` branches per kind; `EmailAccount.backend` persists the choice with no secret. HTTPS-only enforced and tested. | | ~~C1b~~ | **DONE** — `BackendDraft::validate` branches per kind; `EmailAccount.backend` persists the choice with no secret. HTTPS-only enforced and tested. |
| ~~C1c~~ | **DONE** — backend chooser + two forms in `EmailAccountSetup`, driven by `SetupDraft` (identity + backend validated together); the inbox branches to the proxy verify. | | ~~C1c~~ | **DONE** — backend chooser + two forms in `EmailAccountSetup`, driven by `SetupDraft` (identity + backend validated together); the inbox branches to the proxy verify. |
| ~~C1d~~ | **DONE** — `mail_proxy.rs`: `ProxyApiClient` with `verify`/`list_inbox`/`send` over a `ProxyTransport` trait (reqwest/fetch/mock); request/response parsing and error mapping all host-tested. | | ~~C1d~~ | **DONE** — `mail_proxy.rs`: `ProxyApiClient` with `verify`/`list_inbox`/`send` over a `ProxyTransport` trait (reqwest/fetch/mock); request/response parsing and error mapping all host-tested. |
| ~~C1e~~ | ~~`ImapSmtpBackend`.~~ **DONE** — `imap_client.rs`: `ImapTransport` trait, `ImapClient` (`verify` + `list_inbox`), a pure `INTERNALDATE` parser and envelope mapping (tested), and `AsyncImapTransport` over `async-imap` behind the `imap` feature (native only; a CI step checks it compiles). | | C1e | `ImapSmtpBackend` — `async-imap`, native only. Gate behind a feature so wasm builds never pull it in. |
| ~~C1f~~ | ~~Keystore-backed credential storage.~~ **DONE (the seam)** — `credential_store.rs`: the `CredentialStore` trait and a fail-closed default. The actual `AndroidKeyStore` wiring remains the platform task it always was (not host-testable); the contract is pinned by tests so a platform impl has something to match. | | C1f | Keystore-backed credential storage (A1). Required for IMAP to be usable across restarts; optional for the proxy, which can hold a revocable token instead. |
##### One thing I will not pretend ##### One thing I will not pretend
@ -787,11 +782,11 @@ presenting them as equivalent choices.
| ID | Task | | ID | Task |
|---|---| |---|---|
| ~~D1~~ | ~~**Extract the shared page scaffold.**~~ **DONE (mooted)** — three of the four placeholder pages are now real (Inbox, Compose, Bulk); the last, `more.rs`, was replaced with real content (account + sign-out) rather than extracted. There is no duplicated scaffold left to parameterise. | | D1 | **Extract the shared page scaffold.** One parameterised pane replaces 4 copies (~450 lines deleted). SMS Phase F5 precedent. |
| ~~D2~~ | ~~**Delete the `lib.rs` shims.**~~ **DONE** — all six shim modules are gone; the page imports use `nigig_core::`/`nigig_uikit::` directly, and the fake `NavigationBarAction` enum now lives in a real `navigation.rs` module. | | D2 | **Delete the `lib.rs` shims** or finish the migration they were staged for. A UI enum declared in a compat shim is not acceptable long-term. |
| ~~D3~~ | ~~**Reconsider `CachedWidget`.**~~ **DONE** — decision recorded in `email.rs`: keep it. It pins the page *structure*, not message data (which lives in `#[rust] Vec`s and clears on sign-out), and the list is a virtualised `PortalList`. | | D3 | **Reconsider `CachedWidget` on the inbox** once it holds a real list. |
| ~~D4~~ | ~~**Connection pooling.**~~ **DONE** — a one-slot transport pool reuses the SMTP connection across sends (safe because `SEND_IN_FLIGHT` serialises them); the reuse-vs-rebuild keying is pure and tested, the connection-level reuse is a read of lettre's contract. | | D4 | **Connection pooling** — actually use the `pool` feature already compiled in. |
| ~~D5~~ | ~~**Drop `EmailWorkerAction::None`.**~~ **DONE** — the variant, the `Default` impl and the `ActionDefaultRef` impl are all gone: the action is consumed only via `downcast_ref()` (which needs just `'static + Debug`), so no default was ever required. | | D5 | Drop `EmailWorkerAction::None` if `ActionDefaultRef` can be satisfied otherwise. |
--- ---

6
crates/apps/nigig-email/src/email_frame/action_bars.rs
View file

@ -1,7 +1,7 @@
use crate::navigation::NavigationBarAction; use crate::features::action_page_navigation::ActionPageNavigationAction;
use crate::home::navigation_tab_bar::NavigationBarAction;
use crate::shared::navigation_bar_button::NavigationBarButtonWidgetExt;
use makepad_widgets::*; use makepad_widgets::*;
use nigig_uikit::action_page_navigation::ActionPageNavigationAction;
use nigig_uikit::shared::navigation_bar_button::NavigationBarButtonWidgetExt;
const DOUBLE_TAP_HOME_SECS: f64 = 0.55; const DOUBLE_TAP_HOME_SECS: f64 = 0.55;

11
crates/apps/nigig-email/src/email_frame/email.rs
View file

@ -1,5 +1,5 @@
use crate::features::action_page_navigation::ActionPageNavigationAction;
use makepad_widgets::*; use makepad_widgets::*;
use nigig_uikit::action_page_navigation::ActionPageNavigationAction;
script_mod! { script_mod! {
use mod.prelude.widgets.* use mod.prelude.widgets.*
@ -25,15 +25,6 @@ script_mod! {
} }
} }
// D3: the four pages are wrapped in `CachedWidget` (see the live DSL
// above). This was flagged for "reconsider once the inbox holds a real
// list". Reconsidered: `CachedWidget` pins the page's *widget structure*
// (avoiding re-instantiation on every tab switch), NOT the message data --
// that lives in each page's `#[rust] Vec<EmailMessage>` and is cleared on
// sign-out. The list itself is a virtualised `PortalList`
// (`keep_invisible: false`), so a large inbox does not inflate the cached
// widget tree. Decision: keep `CachedWidget`; it is not the memory concern
// the assessment worried it might become.
#[derive(Script, ScriptHook, Widget)] #[derive(Script, ScriptHook, Widget)]
pub struct EmailScreen { pub struct EmailScreen {
#[deref] #[deref]

265
crates/apps/nigig-email/src/email_frame/pages/compose.rs
View file

@ -1,20 +1,5 @@
// Compose: write and send one message (Phase C5). use crate::shared::context_nav_action::ContextNavAction;
//
// This page was a placeholder scaffold -- "Replace this scaffold with the
// real workflow for Compose" -- with no send button at all, because the
// send logic lived in the Bulk page's widget and could not be reused. C5
// wires it for real:
//
// * to / subject / body, validated through
// `EmailSendRequest::build_without_config` (no SMTP config here -- the
// send goes through the signed-in backend, which may be the proxy);
// * sends through `spawn_send_message`, which branches on the account's
// backend and shares the in-flight guard (B5) and abandon control (B6);
// * reads the signed-in account from `nigig_core::email_session`, which
// the inbox writes on sign-in -- so compose has no credentials form.
use makepad_widgets::*; use makepad_widgets::*;
use nigig_core::email_worker::{spawn_send_message, EmailWorkerAction};
script_mod! { script_mod! {
use mod.prelude.widgets.* use mod.prelude.widgets.*
@ -22,70 +7,84 @@ script_mod! {
mod.widgets.EmailComposePage = #(EmailComposePage::register_widget(vm)) { mod.widgets.EmailComposePage = #(EmailComposePage::register_widget(vm)) {
width: Fill, height: Fill width: Fill, height: Fill
flow: Down
page_top_bar := SolidView { page_stack := StackNavigation {
width: Fill, height: 52 root_view +: {
flow: Right width: Fill, height: Fill
align: Align{y: 0.5}
padding: Inset{left: 16, right: 16, top: 0, bottom: 0}
show_bg: true
draw_bg +: { color: #xFFFFFF }
Label {
width: Fill, height: Fit
text: "Compose"
draw_text +: { color: #x1C274C, text_style: theme.font_bold { font_size: 20.0 } }
}
}
compose_scroll := ScrollYView {
width: Fill, height: Fill
flow: Down
padding: Inset{left: 18, right: 18, top: 12, bottom: 22}
spacing: 12
compose_card := RoundedView {
width: Fill, height: Fit
flow: Down flow: Down
spacing: 8
padding: 18
show_bg: true
draw_bg +: { color: #xFFFFFF, border_radius: 22.0, border_size: 1.0, border_color: #xE2E8F0 }
Label { text: "To (comma-separated)" draw_text +: { color: #x64748B, text_style: theme.font_regular { font_size: 10.5 } } } page_top_bar := SolidView {
to_input := TextInput { width: Fill, height: 52
width: Fill, height: 42 flow: Right
empty_text: "friend@example.com, team@example.com" align: Align{y: 0.5}
draw_bg +: { border_radius: 10.0, border_size: 1.0, border_color: #xE2E8F0 } padding: Inset{left: 16, right: 16, top: 0, bottom: 0}
show_bg: true
draw_bg +: { color: #xFFFFFF }
Label {
width: Fill, height: Fit
text: "Compose"
draw_text +: { color: #x1C274C, text_style: theme.font_bold { font_size: 20.0 } }
}
} }
Label { text: "Subject" draw_text +: { color: #x64748B, text_style: theme.font_regular { font_size: 10.5 } } } page_body := ScrollYView {
subject_input := TextInput { width: Fill, height: Fill
width: Fill, height: 42 flow: Down
empty_text: "Subject" padding: Inset{left: 18, right: 18, top: 12, bottom: 22}
draw_bg +: { border_radius: 10.0, border_size: 1.0, border_color: #xE2E8F0 } spacing: 12
}
Label { text: "Message" draw_text +: { color: #x64748B, text_style: theme.font_regular { font_size: 10.5 } } } RoundedView {
body_input := TextInput { width: Fill, height: Fit
width: Fill, height: 140 flow: Down
empty_text: "Write your message" spacing: 8
is_multiline: true padding: 18
draw_bg +: { border_radius: 10.0, border_size: 1.0, border_color: #xE2E8F0 } show_bg: true
} draw_bg +: { color: #xF8FAFC, border_radius: 22.0, border_size: 1.0, border_color: #xE2E8F0 }
Label { text: "Compose" draw_text +: { color: #x1C274C, text_style: theme.font_bold { font_size: 22.0 } } }
Label { width: Fill, height: Fit, text: "Top app bar page. Tap below to open a stack screen with RobrixStackNavigationView back navigation." draw_text +: { color: #x64748B, text_style: theme.font_regular { font_size: 11.0 } } }
}
send_btn := Button { open_detail_btn := Button {
width: Fill, height: 46 width: Fill, height: 54
text: "Send" text: "Open Compose workflow"
draw_bg +: { color: #x1C274C, color_hover: #x2A3F6E, border_radius: 14.0 } draw_bg +: { color: #xEEF4FF, color_hover: #xDDEBFF, color_down: #xCFE2FF, border_radius: 16.0, border_size: 1.0, border_color: #xD7E5FF }
draw_text +: { color: #xFFFFFF, text_style: theme.font_bold { font_size: 14.0 } } draw_text +: { color: #x1C274C, text_style: theme.font_bold { font_size: 12.0 } }
}
} }
}
send_status := Label { stack_templates: {
width: Fill, height: Fit EmailComposePageDetailStackView := mod.widgets.RobrixStackNavigationView {
text: "" body +: {
draw_text +: { color: #x64748B, text_style: theme.font_regular { font_size: 10.5 } } detail_body := ScrollYView {
width: Fill, height: Fill
flow: Down
padding: Inset{left: 18, right: 18, top: 18, bottom: 22}
spacing: 12
Label {
width: Fill, height: Fit
text: "Compose details"
draw_text +: { color: #x1C274C, text_style: theme.font_bold { font_size: 22.0 } }
}
Label {
width: Fill, height: Fit
text: "This is a RobrixStackNavigationView destination. The built-in header above supplies the title and back arrow, just like SMS conversation screens."
draw_text +: { color: #x64748B, text_style: theme.font_regular { font_size: 11.0 } }
}
RoundedView {
width: Fill, height: Fit
flow: Down
padding: 16
spacing: 8
show_bg: true
draw_bg +: { color: #xF8FAFC, border_radius: 18.0, border_size: 1.0, border_color: #xE2E8F0 }
Label { text: "Next screen content" draw_text +: { color: #x1C274C, text_style: theme.font_bold { font_size: 13.0 } } }
Label { width: Fill, height: Fit, text: "Replace this scaffold with the real workflow for Compose." draw_text +: { color: #x64748B, text_style: theme.font_regular { font_size: 10.5 } } }
}
}
}
} }
} }
} }
@ -96,94 +95,32 @@ script_mod! {
pub struct EmailComposePage { pub struct EmailComposePage {
#[deref] #[deref]
view: View, view: View,
/// B5: (body, recipient count) the user has been prompted about. A
/// second tap with the same pair confirms; anything else re-prompts.
#[rust] #[rust]
pending_send: Option<(String, usize)>, current_detail_view: Option<LiveId>,
} }
impl Widget for EmailComposePage { impl Widget for EmailComposePage {
fn handle_event(&mut self, cx: &mut Cx, event: &Event, scope: &mut Scope) { fn handle_event(&mut self, cx: &mut Cx, event: &Event, scope: &mut Scope) {
// First forward the event so dynamic StackNavigation children can produce actions.
// Then handle the Event::Actions carried by this turn. This follows the SMS/Home pattern.
self.view.handle_event(cx, event, scope); self.view.handle_event(cx, event, scope);
let Event::Actions(actions) = event else { if let Event::Actions(actions) = event {
return; if self.view.button(cx, ids!(open_detail_btn)).clicked(actions) {
}; self.push_detail(cx);
}
let mut send_clicked = self.button(cx, ids!(send_btn)).clicked(actions); for action in actions {
if let StackNavigationTransitionAction::ViewReleased(view_id) =
// B6: while a send is in flight the same button abandons it. action.as_widget_action().cast()
if send_clicked && nigig_core::email_worker::send_in_flight() { {
nigig_core::email_worker::abandon_send(); if self.current_detail_view == Some(view_id) {
self.pending_send = None; self.current_detail_view = None;
self.label(cx, ids!(send_status))
.set_text(cx, "Stopped waiting. The message may still have been sent.");
self.set_send_button_label(cx, false);
self.view.redraw(cx);
send_clicked = false;
}
if send_clicked {
// The signed-in account drives the send; no local config.
let Some(session) = nigig_core::email_session::current_session() else {
self.label(cx, ids!(send_status))
.set_text(cx, "Connect an account from the Inbox first.");
self.view.redraw(cx);
return;
};
let to = self.text_input(cx, ids!(to_input)).text();
let subject = self.text_input(cx, ids!(subject_input)).text();
let body = self.text_input(cx, ids!(body_input)).text();
// Validate the message before the two-tap confirmation. The
// proxy path validates the same way (no SMTP config), so this
// check is backend-agnostic.
match nigig_core::email_send::EmailSendRequest::build_without_config(
&to, &subject, &body,
) {
Err(e) => {
self.label(cx, ids!(send_status)).set_text(cx, &e.message());
self.pending_send = None;
self.view.redraw(cx);
}
Ok((req, _list)) => {
let n = req.recipient_count();
let armed = self
.pending_send
.as_ref()
.is_some_and(|(b, c)| b == &body && *c == n);
if !armed {
self.pending_send = Some((body.clone(), n));
self.label(cx, ids!(send_status)).set_text(
cx,
&format!(
"Send to {} recipient{}? Tap Send again to confirm.",
n,
if n == 1 { "" } else { "s" }
),
);
self.view.redraw(cx);
} else {
self.pending_send = None;
self.label(cx, ids!(send_status))
.set_text(cx, &format!("Sending to {n} recipient(s)…"));
spawn_send_message(&session.account, session.secret, to, subject, body);
self.set_send_button_label(cx, true);
self.view.redraw(cx);
} }
} }
} if let StackNavigationAction::Pop = action.as_widget_action().cast() {
} self.pop_detail(cx);
}
for action in actions {
if let Some(EmailWorkerAction::SendResult(result)) = action.downcast_ref() {
self.set_send_button_label(cx, false);
let msg = match result {
Ok(()) => "Email sent!".to_string(),
Err(e) => format!("Failed: {e}"),
};
self.label(cx, ids!(send_status)).set_text(cx, &msg);
} }
} }
} }
@ -194,10 +131,30 @@ impl Widget for EmailComposePage {
} }
impl EmailComposePage { impl EmailComposePage {
/// Show "Send" or "Stop waiting" depending on whether a send is in fn push_detail(&mut self, cx: &mut Cx) {
/// flight, so the button's meaning is never ambiguous. let stack = self.view.stack_navigation(cx, ids!(page_stack));
fn set_send_button_label(&mut self, cx: &mut Cx, in_flight: bool) { if stack.is_transitioning() {
let text = if in_flight { "Stop waiting" } else { "Send" }; return;
self.button(cx, ids!(send_btn)).set_text(cx, text); }
if let Some((view_id, _view)) =
stack.create_view_from_template(cx, id!(EmailComposePageDetailStackView))
{
self.current_detail_view = Some(view_id);
stack.set_title(cx, view_id, "Compose");
stack.push(cx, view_id);
cx.action(ContextNavAction::HideBottomNav);
self.view.redraw(cx);
}
}
fn pop_detail(&mut self, cx: &mut Cx) {
let stack = self.view.stack_navigation(cx, ids!(page_stack));
if stack.is_transitioning() {
return;
}
self.current_detail_view = None;
stack.pop_to_root(cx);
cx.action(ContextNavAction::ShowBottomNav);
self.view.redraw(cx);
} }
} }

132
crates/apps/nigig-email/src/email_frame/pages/inbox.rs
View file

@ -22,10 +22,11 @@
use makepad_widgets::*; use makepad_widgets::*;
use nigig_core::email_account::{EmailAccount, SessionState}; use nigig_core::email_account::{EmailAccount, SessionState};
use nigig_core::email_store::{ use nigig_core::email_store::{
group_by_sender, thread_for_sender, total_unread, EmailMessage, EmailThreadSummary, group_by_sender, sample_thread, thread_for_sender, total_unread, EmailMessage,
EmailThreadSummary,
}; };
use nigig_core::email_worker::{ use nigig_core::email_worker::{
spawn_fetch_inbox, spawn_proxy_verify, spawn_smtp_test, EmailWorkerAction, SmtpConfig, spawn_proxy_verify, spawn_smtp_test, EmailWorkerAction, SmtpConfig,
}; };
use nigig_core::mail_backend::{BackendSettings, SetupDraft}; use nigig_core::mail_backend::{BackendSettings, SetupDraft};
use nigig_core::secret::Secret; use nigig_core::secret::Secret;
@ -33,7 +34,7 @@ use nigig_uikit::shared::conversation::conversation_preview::{
SharedConversationPreviewAction, SharedConversationPreviewProps, SharedConversationPreviewAction, SharedConversationPreviewProps,
}; };
use nigig_uikit::shared::context_nav_action::ContextNavAction; use crate::shared::context_nav_action::ContextNavAction;
use super::account_setup::{EmailAccountSetupAction, EmailAccountSetupWidgetExt}; use super::account_setup::{EmailAccountSetupAction, EmailAccountSetupWidgetExt};
@ -67,13 +68,6 @@ script_mod! {
text: "" text: ""
draw_text +: { color: #x1a73e8, text_style: theme.font_bold { font_size: 12.0 } } draw_text +: { color: #x1a73e8, text_style: theme.font_bold { font_size: 12.0 } }
} }
refresh_btn := Button {
width: Fit, height: 34
text: "Refresh"
padding: Inset{left: 12, right: 12, top: 0, bottom: 0}
draw_bg +: { color: #xEEF4FF, color_hover: #xDDEBFF, border_radius: 12.0 }
draw_text +: { color: #x1C274C, text_style: theme.font_bold { font_size: 11.0 } }
}
} }
// Signed out vs signed in. Only one is ever visible. // Signed out vs signed in. Only one is ever visible.
@ -98,19 +92,16 @@ script_mod! {
spacing: 0.0 spacing: 0.0
conversation_preview := mod.widgets.SharedConversationPreview {} conversation_preview := mod.widgets.SharedConversationPreview {}
// One status view, re-labelled for the three empty_state := View {
// no-mail states: loading, error, empty.
status_state := View {
width: Fill, height: 220 width: Fill, height: 220
flow: Down flow: Down
align: Align{x: 0.5, y: 0.5} align: Align{x: 0.5, y: 0.5}
spacing: 8 spacing: 8
status_title := Label { Label {
width: Fit, height: Fit
text: "No mail yet" text: "No mail yet"
draw_text +: { color: #x1C274C, text_style: theme.font_bold { font_size: 15.0 } } draw_text +: { color: #x1C274C, text_style: theme.font_bold { font_size: 15.0 } }
} }
status_subtitle := Label { Label {
width: 260, height: Fit width: 260, height: Fit
text: "Messages from your account will appear here." text: "Messages from your account will appear here."
draw_text +: { color: #x64748B, text_style: theme.font_regular { font_size: 11.0 } } draw_text +: { color: #x64748B, text_style: theme.font_regular { font_size: 11.0 } }
@ -180,12 +171,6 @@ pub struct EmailInboxPage {
messages: Vec<EmailMessage>, messages: Vec<EmailMessage>,
#[rust] #[rust]
threads: Vec<EmailThreadSummary>, threads: Vec<EmailThreadSummary>,
/// C4b: an inbox fetch is in flight (drives the "Loading…" status).
#[rust]
loading: bool,
/// C4b: the last fetch failed; the message is shown in the status view.
#[rust]
load_error: Option<String>,
#[rust] #[rust]
current_thread_view: Option<LiveId>, current_thread_view: Option<LiveId>,
@ -233,13 +218,6 @@ impl Widget for EmailInboxPage {
} }
} }
// Refresh (C7): re-fetch the inbox for the signed-in backend.
if let Event::Actions(actions) = event {
if self.button(cx, ids!(refresh_btn)).clicked(actions) {
self.begin_fetch(cx);
}
}
// Connection test result (SMTP or proxy) decides signed-in vs // Connection test result (SMTP or proxy) decides signed-in vs
// failed. Both carry a plain `Result<(), String>`, so the flow is // failed. Both carry a plain `Result<(), String>`, so the flow is
// transport-agnostic. // transport-agnostic.
@ -251,16 +229,6 @@ impl Widget for EmailInboxPage {
if let Some(EmailWorkerAction::ProxyVerifyResult(result)) = action.downcast_ref() { if let Some(EmailWorkerAction::ProxyVerifyResult(result)) = action.downcast_ref() {
self.finish_connect(cx, result.clone()); self.finish_connect(cx, result.clone());
} }
if let Some(EmailWorkerAction::InboxFetched(result)) = action.downcast_ref() {
self.finish_fetch(cx, result.clone());
}
// Sign-out from the More page: forget the account and show
// the setup form again.
if let Some(nigig_core::email_session::EmailSessionAction::SignedOut) =
action.downcast_ref()
{
self.sign_out(cx);
}
} }
} }
@ -280,7 +248,7 @@ impl Widget for EmailInboxPage {
while let Some(item_id) = list.next_visible_item(cx) { while let Some(item_id) = list.next_visible_item(cx) {
if count == 0 { if count == 0 {
if item_id == 0 { if item_id == 0 {
let item = list.item(cx, item_id, id!(status_state)); let item = list.item(cx, item_id, id!(empty_state));
item.draw_all(cx, &mut Scope::empty()); item.draw_all(cx, &mut Scope::empty());
} }
continue; continue;
@ -409,15 +377,13 @@ impl EmailInboxPage {
}; };
match result { match result {
Ok(()) => { Ok(()) => {
self.session = SessionState::SignedIn(account.clone()); self.session = SessionState::SignedIn(account);
// Share the signed-in account with the Compose and More // No receive path exists yet (assessment A1), so the list
// pages (C5), then fetch real mail (C4b) -- the sample // is populated from sample data. When a real fetch lands
// data is gone from the UI path; the list is populated by // it fills `self.messages` and nothing else changes.
// the backend now. self.messages = sample_thread();
nigig_core::email_session::set_session(account.clone(), self.password.clone()); self.rebuild_threads();
Cx::post_action(nigig_core::email_session::EmailSessionAction::SignedIn);
self.show_signed_in(cx, true); self.show_signed_in(cx, true);
self.begin_fetch(cx);
} }
Err(reason) => { Err(reason) => {
self.setup_error(cx, &reason); self.setup_error(cx, &reason);
@ -431,61 +397,6 @@ impl EmailInboxPage {
self.view.redraw(cx); self.view.redraw(cx);
} }
/// Start (or restart) an inbox fetch for the signed-in backend.
///
/// C4b/C7: this is the one place a fetch is kicked off -- on sign-in
/// and on the Refresh button. It shows the loading state immediately
/// and posts `InboxFetched` when the worker returns, which is the
/// worker -> results -> drained-on-UI-thread shape SMS uses.
fn begin_fetch(&mut self, cx: &mut Cx) {
if !self.session.is_signed_in() {
return;
}
self.loading = true;
self.load_error = None;
self.set_status(cx, "Loading…", "Fetching your inbox.");
self.view.redraw(cx);
let (settings, secret) = match &self.session {
SessionState::SignedIn(a) => (a.backend.clone(), self.password.clone()),
_ => return,
};
spawn_fetch_inbox(settings, secret);
}
/// Handle a completed fetch: fill the list, or show the failure.
fn finish_fetch(&mut self, cx: &mut Cx, result: Result<Vec<EmailMessage>, String>) {
self.loading = false;
match result {
Ok(msgs) => {
self.load_error = None;
self.messages = msgs;
self.rebuild_threads();
self.set_status(
cx,
"No mail yet",
"Messages from your account will appear here.",
);
}
Err(reason) => {
self.load_error = Some(reason.clone());
self.messages.clear();
self.threads.clear();
self.set_status(cx, "Couldn't load mail", &reason);
}
}
self.show_signed_in(cx, self.session.is_signed_in());
self.view.redraw(cx);
}
/// Set the two labels of the no-mail status view.
fn set_status(&mut self, cx: &mut Cx, title: &str, subtitle: &str) {
self.view.label(cx, ids!(status_title)).set_text(cx, title);
self.view
.label(cx, ids!(status_subtitle))
.set_text(cx, subtitle);
}
/// Show a message on the setup form. /// Show a message on the setup form.
/// ///
/// `email_account_setup(..)` yields a `Ref`, which exposes only the /// `email_account_setup(..)` yields a `Ref`, which exposes only the
@ -512,21 +423,6 @@ impl EmailInboxPage {
self.threads = group_by_sender(&self.messages); self.threads = group_by_sender(&self.messages);
} }
/// Forget the signed-in account and return to the setup form.
fn sign_out(&mut self, cx: &mut Cx) {
self.session = SessionState::SignedOut;
self.password.clear();
self.pending = None;
self.messages.clear();
self.threads.clear();
self.loading = false;
self.load_error = None;
self.current_thread_view = None;
self.open_sender = None;
self.show_signed_in(cx, false);
self.view.redraw(cx);
}
fn show_signed_in(&mut self, cx: &mut Cx, signed_in: bool) { fn show_signed_in(&mut self, cx: &mut Cx, signed_in: bool) {
let page = if signed_in { let page = if signed_in {
id!(signed_in_page) id!(signed_in_page)

207
crates/apps/nigig-email/src/email_frame/pages/more.rs
View file

@ -1,14 +1,5 @@
// More: the connected account, and sign-out (Phase D1). use crate::shared::context_nav_action::ContextNavAction;
//
// This page was the last of the four placeholder scaffolds -- every other
// page (Inbox, Compose, Bulk) is now real. D1's "extract the shared
// scaffold" is therefore moot as a deduplication exercise: there is no
// duplicated scaffold left to extract, so the remaining work is to give
// this page real content and delete the placeholder. It shows the signed-in
// account (from `nigig_core::email_session`) and lets the user disconnect.
use makepad_widgets::*; use makepad_widgets::*;
use nigig_core::email_session::EmailSessionAction;
script_mod! { script_mod! {
use mod.prelude.widgets.* use mod.prelude.widgets.*
@ -16,65 +7,84 @@ script_mod! {
mod.widgets.EmailMorePage = #(EmailMorePage::register_widget(vm)) { mod.widgets.EmailMorePage = #(EmailMorePage::register_widget(vm)) {
width: Fill, height: Fill width: Fill, height: Fill
flow: Down
page_top_bar := SolidView { page_stack := StackNavigation {
width: Fill, height: 52 root_view +: {
flow: Right width: Fill, height: Fill
align: Align{y: 0.5}
padding: Inset{left: 16, right: 16, top: 0, bottom: 0}
show_bg: true
draw_bg +: { color: #xFFFFFF }
Label {
width: Fill, height: Fit
text: "More"
draw_text +: { color: #x1C274C, text_style: theme.font_bold { font_size: 20.0 } }
}
}
more_scroll := ScrollYView {
width: Fill, height: Fill
flow: Down
padding: Inset{left: 18, right: 18, top: 12, bottom: 22}
spacing: 12
account_card := RoundedView {
width: Fill, height: Fit
flow: Down flow: Down
spacing: 8
padding: 18
show_bg: true
draw_bg +: { color: #xF8FAFC, border_radius: 22.0, border_size: 1.0, border_color: #xE2E8F0 }
Label { page_top_bar := SolidView {
text: "Account" width: Fill, height: 52
draw_text +: { color: #x1C274C, text_style: theme.font_bold { font_size: 22.0 } } flow: Right
align: Align{y: 0.5}
padding: Inset{left: 16, right: 16, top: 0, bottom: 0}
show_bg: true
draw_bg +: { color: #xFFFFFF }
Label {
width: Fill, height: Fit
text: "More"
draw_text +: { color: #x1C274C, text_style: theme.font_bold { font_size: 20.0 } }
}
} }
account_status := Label { page_body := ScrollYView {
width: Fill, height: Fit width: Fill, height: Fill
text: "No account connected" flow: Down
draw_text +: { color: #x64748B, text_style: theme.font_regular { font_size: 11.0 } } padding: Inset{left: 18, right: 18, top: 12, bottom: 22}
} spacing: 12
backend_label := Label { RoundedView {
width: Fill, height: Fit width: Fill, height: Fit
text: "" flow: Down
draw_text +: { color: #x64748B, text_style: theme.font_regular { font_size: 11.0 } } spacing: 8
} padding: 18
show_bg: true
draw_bg +: { color: #xF8FAFC, border_radius: 22.0, border_size: 1.0, border_color: #xE2E8F0 }
Label { text: "More" draw_text +: { color: #x1C274C, text_style: theme.font_bold { font_size: 22.0 } } }
Label { width: Fill, height: Fit, text: "Top app bar page. Tap below to open a stack screen with RobrixStackNavigationView back navigation." draw_text +: { color: #x64748B, text_style: theme.font_regular { font_size: 11.0 } } }
}
sign_out_btn := Button { open_detail_btn := Button {
width: Fill, height: 46 width: Fill, height: 54
text: "Sign out" text: "Open More workflow"
draw_bg +: { color: #xB4232C, color_hover: #xD14A52, border_radius: 14.0 } draw_bg +: { color: #xEEF4FF, color_hover: #xDDEBFF, color_down: #xCFE2FF, border_radius: 16.0, border_size: 1.0, border_color: #xD7E5FF }
draw_text +: { color: #xFFFFFF, text_style: theme.font_bold { font_size: 13.0 } } draw_text +: { color: #x1C274C, text_style: theme.font_bold { font_size: 12.0 } }
}
} }
}
about_label := Label { stack_templates: {
width: Fill, height: Fit EmailMorePageDetailStackView := mod.widgets.RobrixStackNavigationView {
text: "Your password is kept for this session only. Signing out removes it." body +: {
draw_text +: { color: #x94A3B8, text_style: theme.font_regular { font_size: 10.0 } } detail_body := ScrollYView {
width: Fill, height: Fill
flow: Down
padding: Inset{left: 18, right: 18, top: 18, bottom: 22}
spacing: 12
Label {
width: Fill, height: Fit
text: "More details"
draw_text +: { color: #x1C274C, text_style: theme.font_bold { font_size: 22.0 } }
}
Label {
width: Fill, height: Fit
text: "This is a RobrixStackNavigationView destination. The built-in header above supplies the title and back arrow, just like SMS conversation screens."
draw_text +: { color: #x64748B, text_style: theme.font_regular { font_size: 11.0 } }
}
RoundedView {
width: Fill, height: Fit
flow: Down
padding: 16
spacing: 8
show_bg: true
draw_bg +: { color: #xF8FAFC, border_radius: 18.0, border_size: 1.0, border_color: #xE2E8F0 }
Label { text: "Next screen content" draw_text +: { color: #x1C274C, text_style: theme.font_bold { font_size: 13.0 } } }
Label { width: Fill, height: Fit, text: "Replace this scaffold with the real workflow for More." draw_text +: { color: #x64748B, text_style: theme.font_regular { font_size: 10.5 } } }
}
}
}
} }
} }
} }
@ -85,30 +95,33 @@ script_mod! {
pub struct EmailMorePage { pub struct EmailMorePage {
#[deref] #[deref]
view: View, view: View,
#[rust]
current_detail_view: Option<LiveId>,
} }
impl Widget for EmailMorePage { impl Widget for EmailMorePage {
fn handle_event(&mut self, cx: &mut Cx, event: &Event, scope: &mut Scope) { fn handle_event(&mut self, cx: &mut Cx, event: &Event, scope: &mut Scope) {
// First forward the event so dynamic StackNavigation children can produce actions.
// Then handle the Event::Actions carried by this turn. This follows the SMS/Home pattern.
self.view.handle_event(cx, event, scope); self.view.handle_event(cx, event, scope);
let Event::Actions(actions) = event else { if let Event::Actions(actions) = event {
return; if self.view.button(cx, ids!(open_detail_btn)).clicked(actions) {
}; self.push_detail(cx);
// Keep the account card in sync with sign-in/sign-out, wherever
// they happened (both are posted globally).
for action in actions {
match action.downcast_ref() {
Some(EmailSessionAction::SignedIn) | Some(EmailSessionAction::SignedOut) => {
self.refresh(cx);
}
_ => {}
} }
}
if self.button(cx, ids!(sign_out_btn)).clicked(actions) { for action in actions {
nigig_core::email_session::clear_session(); if let StackNavigationTransitionAction::ViewReleased(view_id) =
Cx::post_action(EmailSessionAction::SignedOut); action.as_widget_action().cast()
{
if self.current_detail_view == Some(view_id) {
self.current_detail_view = None;
}
}
if let StackNavigationAction::Pop = action.as_widget_action().cast() {
self.pop_detail(cx);
}
}
} }
} }
@ -118,26 +131,30 @@ impl Widget for EmailMorePage {
} }
impl EmailMorePage { impl EmailMorePage {
/// Reflect the current session in the account card. Called before draw fn push_detail(&mut self, cx: &mut Cx) {
/// so the page is always in sync with sign-in/sign-out. let stack = self.view.stack_navigation(cx, ids!(page_stack));
pub fn refresh(&mut self, cx: &mut Cx) { if stack.is_transitioning() {
match nigig_core::email_session::current_session() { return;
Some(s) => {
self.view
.label(cx, ids!(account_status))
.set_text(cx, &format!("Connected as {}", s.account.address));
self.view.label(cx, ids!(backend_label)).set_text(
cx,
&format!("Connected via {}", s.account.backend.kind().label()),
);
}
None => {
self.view
.label(cx, ids!(account_status))
.set_text(cx, "No account connected");
self.view.label(cx, ids!(backend_label)).set_text(cx, "");
}
} }
if let Some((view_id, _view)) =
stack.create_view_from_template(cx, id!(EmailMorePageDetailStackView))
{
self.current_detail_view = Some(view_id);
stack.set_title(cx, view_id, "More");
stack.push(cx, view_id);
cx.action(ContextNavAction::HideBottomNav);
self.view.redraw(cx);
}
}
fn pop_detail(&mut self, cx: &mut Cx) {
let stack = self.view.stack_navigation(cx, ids!(page_stack));
if stack.is_transitioning() {
return;
}
self.current_detail_view = None;
stack.pop_to_root(cx);
cx.action(ContextNavAction::ShowBottomNav);
self.view.redraw(cx); self.view.redraw(cx);
} }
} }

49
crates/apps/nigig-email/src/lib.rs
View file

@ -1,9 +1,56 @@
use makepad_widgets::ScriptVm; use makepad_widgets::ScriptVm;
pub mod email_frame; pub mod email_frame;
pub mod navigation;
pub fn script_mod(vm: &mut ScriptVm) { pub fn script_mod(vm: &mut ScriptVm) {
nigig_uikit::script_mod(vm); nigig_uikit::script_mod(vm);
email_frame::script_mod(vm); email_frame::script_mod(vm);
} }
// Compatibility shims for source moved out of pageflipnav during staged migration.
pub mod dir {
pub use nigig_core::dir::*;
}
pub mod shared {
pub use nigig_uikit::shared::*;
}
pub mod persistence {
pub use nigig_core::persistence::*;
pub mod offline_store {
pub use nigig_core::persistence::offline_store::*;
}
pub mod app_state {
pub use nigig_core::persistence::app_state::*;
}
#[cfg(not(target_arch = "wasm32"))]
pub mod matrix_state {
pub use nigig_core::persistence::matrix_state::*;
}
}
pub mod features {
pub mod action_page_navigation {
pub use nigig_uikit::action_page_navigation::*;
}
}
#[cfg(not(target_arch = "wasm32"))]
pub mod tile_service {
pub use nigig_core::tile_service::*;
}
#[cfg(not(target_arch = "wasm32"))]
pub mod location {
pub use nigig_core::location::*;
}
pub mod home {
pub mod navigation_tab_bar {
#[derive(Clone, Debug, PartialEq, Eq)]
pub enum NavigationBarAction {
ReturnToHome,
}
impl makepad_widgets::ActionDefaultRef for NavigationBarAction {
fn default_ref() -> &'static Self {
static DEFAULT: NavigationBarAction = NavigationBarAction::ReturnToHome;
&DEFAULT
}
}
}
}

23
crates/apps/nigig-email/src/navigation.rs
View file

@ -1,23 +0,0 @@
//! The one navigation action the standalone email app understands.
//!
//! `ReturnToHome` is emitted when the user double-taps a bottom-nav tab, to
//! ask a host (pageflipnav) to return to its home dashboard. The
//! standalone `nigig-email` binary has no home to return to, so it simply
//! does not handle the action; the host does.
//!
//! This type used to live in a "compatibility shim" in `lib.rs` (a UI enum
//! declared inline in a re-export module). It now lives here, in a real
//! module, because D2 ruled that a UI type in a compat shim is not
//! acceptable long-term.
#[derive(Clone, Debug, PartialEq, Eq)]
pub enum NavigationBarAction {
ReturnToHome,
}
impl makepad_widgets::ActionDefaultRef for NavigationBarAction {
fn default_ref() -> &'static Self {
static DEFAULT: NavigationBarAction = NavigationBarAction::ReturnToHome;
&DEFAULT
}
}

8
crates/nigig-core/Cargo.toml
View file

@ -8,10 +8,6 @@ edition = "2021"
default = ["native"] default = ["native"]
native = ["dep:tokio", "dep:reqwest", "dep:lettre", "matrix_client/native", "async-rt"] native = ["dep:tokio", "dep:reqwest", "dep:lettre", "matrix_client/native", "async-rt"]
async-rt = [] async-rt = []
# C1e: the direct backend's IMAP protocol client (async-imap over native
# TLS). Native only -- a browser cannot open a raw TCP socket -- and off by
# default so builds that do not need IMAP never compile its dependency tree.
imap = ["dep:async-imap", "dep:async-native-tls", "dep:async-net"]
[dependencies] [dependencies]
matrix_client = { path = "../matrix_client", default-features = false } matrix_client = { path = "../matrix_client", default-features = false }
@ -47,10 +43,6 @@ lettre = { version = "0.11", default-features = false, features = [
"ring", "ring",
"webpki-roots", "webpki-roots",
], optional = true } ], optional = true }
# C1e: the IMAP protocol client (feature `imap`), native only.
async-imap = { version = "0.9", optional = true }
async-native-tls = { version = "0.5", optional = true }
async-net = { version = "2", optional = true }
[target.'cfg(target_arch = "wasm32")'.dependencies] [target.'cfg(target_arch = "wasm32")'.dependencies]
wasm-bindgen = "0.2" wasm-bindgen = "0.2"

179
crates/nigig-core/src/credential_store.rs
View file

@ -1,179 +0,0 @@
//! Credential storage boundary (Phase C1f).
//!
//! C1 decided to support two backends. The direct backend keeps a
//! *reusable* mailbox password on the device, which is the one thing the
//! proxy backend exists to avoid. If that password is to survive an app
//! restart -- which IMAP needs to be usable at all -- it must live in the
//! platform keystore, not in the app's plaintext storage.
//!
//! This is the seam. It deliberately does NOT implement any keystore here:
//! the in-repo precedent is the SMS crate's `SmsScheduleCrypto.java`
//! (AES-256-GCM via `AndroidKeyStore`), which is Android-only and cannot be
//! exercised on a host. What this module provides is the contract the UI
//! and the persistence layer code against, plus a fail-closed default.
//!
//! ## Why the default fails closed
//!
//! A "remember my password" feature that silently falls back to plaintext
//! JSON when the keystore is missing is worse than no feature: it looks
//! secure and is not. So `store` on the default returns an error and the
//! UI must say "your password will be kept for this session only" instead
//! of pretending otherwise. This is the same honesty rule `Secret` applies
//! to zeroisation (see `secret.rs`).
use crate::secret::Secret;
/// A place credentials can be stored and read back.
///
/// Keyed by an account identifier chosen by the caller (the normalised
/// address, or a provider-issued account id). Implementations decide
/// where the bytes actually go; the contract only promises that `load`
/// returns what `store` put, and that `delete` removes it.
pub trait CredentialStore {
/// Store `secret` under `account_id`. Returns `Err` when the platform
/// has no keystore available, so the caller can fall back to
/// session-only (never to plaintext).
fn store(&self, account_id: &str, secret: &Secret) -> Result<(), String>;
/// Read back a stored secret, or `None` if none is stored.
fn load(&self, account_id: &str) -> Result<Option<Secret>, String>;
/// Remove a stored secret. Idempotent: deleting a missing secret is
/// success, not an error.
fn delete(&self, account_id: &str) -> Result<(), String>;
}
/// The fail-closed default: no keystore, so nothing is ever stored.
///
/// `load` returns `None`, `delete` succeeds (there is nothing to delete),
/// and `store` refuses. Every platform implementation replaces this via a
/// build-time selection; the point of having it at all is that the
/// session-only behaviour is an explicit choice, not an accidental one.
#[derive(Clone, Copy, Debug, Default)]
pub struct UnavailableCredentialStore;
impl CredentialStore for UnavailableCredentialStore {
fn store(&self, _account_id: &str, _secret: &Secret) -> Result<(), String> {
Err("No secure credential storage is available on this build. \
Your password is kept for this session only."
.into())
}
fn load(&self, _account_id: &str) -> Result<Option<Secret>, String> {
Ok(None)
}
fn delete(&self, _account_id: &str) -> Result<(), String> {
Ok(())
}
}
/// The credential store in use on this build.
///
/// This is the single place a platform swaps in its keystore-backed
/// implementation. On a host (and on any platform that has not wired a
/// keystore yet) it is `UnavailableCredentialStore`, and the behaviour
/// documented above applies.
pub fn active_store() -> &'static dyn CredentialStore {
// Kept behind an indirection so a platform impl can be selected by
// cfg without changing callers. There is none yet; see the module
// note -- the Android keystore is the C1f platform task and is not
// host-testable.
static DEFAULT: UnavailableCredentialStore = UnavailableCredentialStore;
&DEFAULT
}
#[cfg(test)]
mod tests {
use super::*;
/// An in-memory store that exercises the full contract; NOT a
/// production impl (it holds plaintext), it exists to pin the trait
/// semantics the UI and persistence layers rely on.
#[derive(Default)]
struct InMemoryStore {
map: std::sync::Mutex<std::collections::HashMap<String, Secret>>,
}
impl CredentialStore for InMemoryStore {
fn store(&self, id: &str, secret: &Secret) -> Result<(), String> {
self.map
.lock()
.map_err(|_| "lock poisoned".to_string())?
.insert(id.to_string(), secret.clone());
Ok(())
}
fn load(&self, id: &str) -> Result<Option<Secret>, String> {
Ok(self
.map
.lock()
.map_err(|_| "lock poisoned".to_string())?
.get(id)
.cloned())
}
fn delete(&self, id: &str) -> Result<(), String> {
self.map
.lock()
.map_err(|_| "lock poisoned".to_string())?
.remove(id);
Ok(())
}
}
#[test]
fn the_unavailable_store_refuses_to_store_and_loads_nothing() {
let store = UnavailableCredentialStore;
let secret = Secret::new("hunter2");
assert!(store.store("jane@example.com", &secret).is_err());
assert_eq!(store.load("jane@example.com").unwrap(), None);
// Delete is idempotent success.
assert!(store.delete("jane@example.com").is_ok());
}
#[test]
fn the_default_store_never_retains_a_secret() {
// active_store() is the fail-closed default; storing must refuse
// rather than silently persist in plaintext.
let store = active_store();
assert!(store
.store("jane@example.com", &Secret::new("hunter2"))
.is_err());
assert_eq!(store.load("jane@example.com").unwrap(), None);
}
#[test]
fn store_then_load_returns_the_same_secret() {
let store = InMemoryStore::default();
let secret = Secret::new("app-password-123");
store.store("jane@example.com", &secret).unwrap();
let got = store.load("jane@example.com").unwrap().unwrap();
assert_eq!(got.expose(), "app-password-123");
}
#[test]
fn deleting_is_idempotent_and_removes_the_secret() {
let store = InMemoryStore::default();
assert!(store.delete("missing@example.com").is_ok());
store.store("jane@example.com", &Secret::new("x")).unwrap();
store.delete("jane@example.com").unwrap();
assert_eq!(store.load("jane@example.com").unwrap(), None);
}
#[test]
fn accounts_are_isolated_by_identifier() {
let store = InMemoryStore::default();
store.store("jane@example.com", &Secret::new("a")).unwrap();
store.store("boss@example.com", &Secret::new("b")).unwrap();
assert_eq!(
store.load("jane@example.com").unwrap().unwrap().expose(),
"a"
);
assert_eq!(
store.load("boss@example.com").unwrap().unwrap().expose(),
"b"
);
}
}

317
crates/nigig-core/src/email_cache.rs
View file

@ -1,317 +0,0 @@
//! Local mail cache with encrypted bodies (Phase C3).
//!
//! The inbox has to render without a network round trip, so fetched mail
//! is cached locally. `EmailMessage` is `Serialize`/`Deserialize`, but
//! unlike `OfflineSmsMessage.body` its `body` is deliberately NOT
//! `#[serde(skip)]`-ed -- a mail cache that drops bodies is useless, and
//! the body is the thing the user came to read. That means the cache
//! **must** encrypt the body at rest; the plan records this as mandatory,
//! not optional.
//!
//! ## What this module is, and what it is not
//!
//! The serialization pipeline is here and is fully host-tested: every
//! message's body is pushed through a `BodyCipher` before it is written,
//! and the ciphertext (never the plaintext) is what lands in the JSON.
//!
//! The *production* cipher is the platform keystore's symmetric key
//! (C1f), which cannot be exercised on a host. So the default cipher is
//! `PlaintextBodyCipher` -- bodies stored as-is, **named honestly** so a
//! reader cannot mistake it for encryption. The moment C1f lands a real
//! keystore key, it is swapped in at `active_cipher()` and every test
//! below continues to pin the pipeline.
//!
//! ## Why the wire type is separate
//!
//! `EmailMessage` derives `Serialize` with a plain `body: String`. Writing
//! that directly would serialize the plaintext even when the cipher is
//! real. So the cache uses a private `StoredMessage` whose only body field
//! is `body_ciphertext` (hex). This is the structural half of "encrypted
//! at rest": there is no code path that writes an `EmailMessage` straight
//! to disk.
use serde::{Deserialize, Serialize};
use crate::email_store::EmailMessage;
/// Encrypts and decrypts message bodies for at-rest storage.
///
/// `encrypt` never fails (it always produces some bytes); `decrypt`
/// returns `None` on anything it cannot reverse, so a corrupted or
/// tampered body fails closed to a placeholder rather than panicking.
pub trait BodyCipher {
fn encrypt(&self, plaintext: &str) -> Vec<u8>;
fn decrypt(&self, ciphertext: &[u8]) -> Option<String>;
}
/// The honest "not yet encrypted" default.
///
/// Bodies are stored as their own bytes. This exists so the pipeline is
/// complete and tested before the keystore-backed cipher (C1f) exists; it
/// is named to be impossible to mistake for security. A cache written
/// today is readable by a future build only if that build still uses this
/// cipher -- which is fine, because nothing claims otherwise.
#[derive(Clone, Copy, Debug, Default)]
pub struct PlaintextBodyCipher;
impl BodyCipher for PlaintextBodyCipher {
fn encrypt(&self, plaintext: &str) -> Vec<u8> {
plaintext.as_bytes().to_vec()
}
fn decrypt(&self, ciphertext: &[u8]) -> Option<String> {
String::from_utf8(ciphertext.to_vec()).ok()
}
}
/// The cipher in use on this build.
pub fn active_cipher() -> &'static dyn BodyCipher {
static DEFAULT: PlaintextBodyCipher = PlaintextBodyCipher;
&DEFAULT
}
/// One message as stored on disk: the body is ciphertext, never plaintext.
#[derive(Serialize, Deserialize)]
struct StoredMessage {
id: String,
from_address: String,
from_name: String,
subject: String,
date_ms: i64,
is_read: bool,
is_outgoing: bool,
/// Hex-encoded ciphertext of the body.
body_ciphertext: String,
}
#[derive(Serialize, Deserialize)]
struct StoredInbox {
messages: Vec<StoredMessage>,
}
/// Encode bytes as lowercase hex. No dependency: 16 lines, and it is the
/// format the wire type commits to, so it is tested below.
fn to_hex(bytes: &[u8]) -> String {
const DIGITS: &[u8; 16] = b"0123456789abcdef";
let mut out = String::with_capacity(bytes.len() * 2);
for &b in bytes {
out.push(DIGITS[(b >> 4) as usize] as char);
out.push(DIGITS[(b & 0xf) as usize] as char);
}
out
}
fn from_hex(s: &str) -> Option<Vec<u8>> {
if s.len() % 2 != 0 {
return None;
}
let bytes = s.as_bytes();
(0..s.len())
.step_by(2)
.map(|i| {
let hi = hex_val(bytes[i])?;
let lo = hex_val(bytes[i + 1])?;
Some((hi << 4) | lo)
})
.collect()
}
fn hex_val(b: u8) -> Option<u8> {
match b {
b'0'..=b'9' => Some(b - b'0'),
b'a'..=b'f' => Some(b - b'a' + 10),
b'A'..=b'F' => Some(b - b'A' + 10),
_ => None,
}
}
/// Serialize messages for disk, encrypting every body through `cipher`.
///
/// Pure: no I/O, so every branch is host-testable. Returns the JSON that
/// the caller writes verbatim.
pub fn serialize_inbox(
messages: &[EmailMessage],
cipher: &dyn BodyCipher,
) -> Result<String, String> {
let stored: Vec<StoredMessage> = messages
.iter()
.map(|m| {
let ct = cipher.encrypt(&m.body);
StoredMessage {
id: m.id.clone(),
from_address: m.from_address.clone(),
from_name: m.from_name.clone(),
subject: m.subject.clone(),
date_ms: m.date_ms,
is_read: m.is_read,
is_outgoing: m.is_outgoing,
body_ciphertext: to_hex(&ct),
}
})
.collect();
serde_json::to_string(&StoredInbox { messages: stored })
.map_err(|e| format!("failed to serialise mail cache: {e}"))
}
/// Deserialize messages from disk, decrypting every body through `cipher`.
///
/// A message whose body will not decrypt is dropped rather than shown
/// half-decoded; a body the cipher cannot reverse is worse than no body.
/// Metadata-only messages are kept so the list still renders.
pub fn deserialize_inbox(json: &str, cipher: &dyn BodyCipher) -> Result<Vec<EmailMessage>, String> {
let inbox: StoredInbox =
serde_json::from_str(json).map_err(|e| format!("failed to parse mail cache: {e}"))?;
Ok(inbox
.messages
.into_iter()
.filter_map(|m| {
let bytes = from_hex(&m.body_ciphertext)?;
let body = cipher.decrypt(&bytes)?;
Some(EmailMessage {
id: m.id,
from_address: m.from_address,
from_name: m.from_name,
subject: m.subject,
body,
date_ms: m.date_ms,
is_read: m.is_read,
is_outgoing: m.is_outgoing,
})
})
.collect())
}
/// The file a given account's cache lives in.
///
/// Keyed by the normalised address so two accounts do not share a file,
/// and named `mail_<hex>.json` so it is obviously a cache and not config.
pub fn cache_path(account_address: &str) -> std::path::PathBuf {
let key = crate::email_store::normalise_sender(account_address);
crate::dir::app_data_dir().join(format!("mail_{}.json", to_hex(key.as_bytes())))
}
/// Write `messages` to the account's cache, encrypted at rest.
pub async fn save(account_address: &str, messages: &[EmailMessage]) -> Result<(), String> {
let json = serialize_inbox(messages, active_cipher())?;
crate::platform::fs_write(cache_path(account_address), json.as_bytes())
.await
.map_err(|e| format!("failed to write mail cache: {e}"))
}
/// Read the account's cache, or `Ok(vec![])` when none exists yet.
pub async fn load(account_address: &str) -> Result<Vec<EmailMessage>, String> {
let path = cache_path(account_address);
let bytes = match crate::platform::fs_read(&path).await {
Ok(b) => b,
// No cache yet is the common first-run case, not an error.
Err(_) => return Ok(Vec::new()),
};
let json = String::from_utf8(bytes).map_err(|_| "mail cache is not UTF-8".to_string())?;
deserialize_inbox(&json, active_cipher())
}
#[cfg(test)]
mod tests {
use super::*;
fn msg(id: &str, body: &str) -> EmailMessage {
EmailMessage {
id: id.into(),
from_address: "alerts@bank.co.ke".into(),
from_name: "Equity Alerts".into(),
subject: "Statement".into(),
body: body.into(),
date_ms: 1_767_225_600_000,
is_read: false,
is_outgoing: false,
}
}
/// A reversible cipher for tests only: XOR with a fixed byte. Proves
/// the round trip AND that the stored form is not the plaintext, so a
/// regression to "write EmailMessage directly" is caught by
/// `the_stored_json_never_contains_plaintext_bodies`.
#[derive(Clone, Copy)]
struct XorCipher;
impl BodyCipher for XorCipher {
fn encrypt(&self, plaintext: &str) -> Vec<u8> {
plaintext.bytes().map(|b| b ^ 0x5a).collect()
}
fn decrypt(&self, ciphertext: &[u8]) -> Option<String> {
String::from_utf8(ciphertext.iter().map(|b| b ^ 0x5a).collect()).ok()
}
}
#[test]
fn a_round_trip_preserves_every_message_and_its_body() {
let msgs = vec![
msg("1", "Hello, world"),
msg("2", "Mambo vipi? 🚚 non-Latin 中文"),
msg("3", ""), // empty bodies must survive too
];
let json = serialize_inbox(&msgs, &XorCipher).unwrap();
let back = deserialize_inbox(&json, &XorCipher).unwrap();
assert_eq!(back, msgs);
}
#[test]
fn the_stored_json_never_contains_plaintext_bodies() {
let msgs = vec![msg("1", "super-secret-body")];
let json = serialize_inbox(&msgs, &XorCipher).unwrap();
assert!(
!json.contains("super-secret-body"),
"plaintext body leaked to disk: {json}"
);
assert!(json.contains("body_ciphertext"), "wire shape changed");
}
#[test]
fn an_empty_inbox_round_trips_to_empty() {
let json = serialize_inbox(&[], &XorCipher).unwrap();
assert!(deserialize_inbox(&json, &XorCipher).unwrap().is_empty());
}
#[test]
fn the_plaintext_cipher_is_a_noop_but_still_round_trips() {
let msgs = vec![msg("1", "visible body")];
let json = serialize_inbox(&msgs, &PlaintextBodyCipher).unwrap();
let back = deserialize_inbox(&json, &PlaintextBodyCipher).unwrap();
assert_eq!(back, msgs);
}
#[test]
fn a_body_the_cipher_cannot_decrypt_is_dropped_not_garbled() {
let msgs = vec![msg("1", "ok"), msg("2", "ok")];
let json = serialize_inbox(&msgs, &XorCipher).unwrap();
// Corrupt only the first message's ciphertext into invalid hex.
let corrupted = json.replacen("\"body_ciphertext\":\"", "\"body_ciphertext\":\"zz", 1);
let back = deserialize_inbox(&corrupted, &XorCipher).unwrap();
assert_eq!(back.len(), 1, "corrupt message should be dropped");
assert_eq!(back[0].id, "2");
}
#[test]
fn malformed_json_is_an_error_not_a_panic() {
assert!(deserialize_inbox("not json", &XorCipher).is_err());
assert!(deserialize_inbox("{\"nope\":1}", &XorCipher).is_err());
}
#[test]
fn hex_round_trips_and_rejects_odd_length() {
assert_eq!(from_hex(&to_hex(b"abc")).unwrap(), b"abc");
assert_eq!(from_hex("00ff10").unwrap(), vec![0x00, 0xff, 0x10]);
assert_eq!(from_hex("0"), None, "odd length");
assert_eq!(from_hex("zz"), None, "non-hex");
}
#[test]
fn cache_paths_are_per_account_and_stable() {
let a = cache_path("Jane@Example.com");
let b = cache_path("jane@example.com");
let c = cache_path("boss@example.com");
// Normalisation means case variants share one file.
assert_eq!(a, b);
assert_ne!(a, c);
}
}

298
crates/nigig-core/src/email_pacing.rs
View file

@ -1,298 +0,0 @@
//! Send pacing and rate limiting for email (Phase C6).
//!
//! Ported from `robius-sms`'s `SendRateLimiter`/`SendPacing` -- the plan
//! (C6) called them out as "already generic arithmetic", and they are: a
//! pure token bucket plus a pure gap schedule, no sleeping, no platform
//! code, so every branch is assertable on a host with no server.
//!
//! ## Why email gets its own copy instead of a shared dep
//!
//! The numbers differ. A carrier silently drops or prompts past ~30 SMS
//! per 30 minutes per app. An SMTP provider rate-limits *harder and more
//! opaquely*: Gmail rejects a burst with a 421/450 and a "too many
//! connections" that the user cannot decode, and consumer relays cap
//! recipients-per-message around 100 (already enforced by
//! `email_send::MAX_RECIPIENTS`). So the bucket and the recommended gap
//! are email-shaped, not carrier-shaped.
//!
//! ## Honest scope
//!
//! The current bulk path sends ONE message to N recipients in a single
//! SMTP transaction, so no per-recipient pacing loop exists yet to wire
//! this into. This module is the primitive: it is tested here, and it is
//! what a future per-recipient batch loop (and the Compose bulk feature)
//! will consume. Nothing claims a pacing loop is already running.
/// A pure token bucket. Callers ask `allow_at` before each send.
#[derive(Clone, Debug)]
pub struct SendRateLimiter {
capacity: u32,
window_ms: i64,
/// Timestamps of sends still inside the window, oldest first.
sent_at_ms: std::collections::VecDeque<i64>,
}
impl SendRateLimiter {
/// Conservative consumer-SMTP ceiling: 100 messages per hour. A burst
/// past this is exactly what gets a relay flagged, and a flagged relay
/// is silently rate-limited for the whole account.
pub const DEFAULT_CAPACITY: u32 = 100;
pub const DEFAULT_WINDOW_MS: i64 = 60 * 60 * 1000;
pub fn new(capacity: u32, window_ms: i64) -> Self {
Self {
capacity,
window_ms,
sent_at_ms: std::collections::VecDeque::new(),
}
}
/// Ask permission to send at `now_ms`, recording it if allowed.
///
/// Returns `Ok(())`, or `Err(wait_ms)` with how long to wait.
pub fn allow_at(&mut self, now_ms: i64) -> Result<(), i64> {
while let Some(&oldest) = self.sent_at_ms.front() {
if now_ms.saturating_sub(oldest) >= self.window_ms {
self.sent_at_ms.pop_front();
} else {
break;
}
}
if (self.sent_at_ms.len() as u32) < self.capacity {
self.sent_at_ms.push_back(now_ms);
return Ok(());
}
// Full: wait until the oldest send rolls out. A zero-capacity
// bucket records nothing, so the deque can be empty here -- in
// that case the whole window must elapse, not a panic.
match self.sent_at_ms.front() {
Some(&oldest) => Err(self.window_ms - now_ms.saturating_sub(oldest)),
None => Err(self.window_ms),
}
}
/// Sends still counted against the window as of `now_ms`.
pub fn in_window(&self, now_ms: i64) -> usize {
self.sent_at_ms
.iter()
.filter(|t| now_ms.saturating_sub(**t) < self.window_ms)
.count()
}
}
impl Default for SendRateLimiter {
fn default() -> Self {
Self::new(Self::DEFAULT_CAPACITY, Self::DEFAULT_WINDOW_MS)
}
}
/// How long to wait between two sends in a batch, and how long a whole
/// batch will therefore take. Pure arithmetic; no sleeping.
#[derive(Copy, Clone, Debug, Eq, PartialEq)]
pub struct SendPacing {
delay_ms: i64,
}
impl SendPacing {
/// Longest gap we let a user choose: 10 minutes.
pub const MAX_DELAY_MS: i64 = 10 * 60 * 1000;
/// Gap that keeps a batch just inside the default relay ceiling
/// (100 messages / hour).
pub const RECOMMENDED_DELAY_MS: i64 =
SendRateLimiter::DEFAULT_WINDOW_MS / SendRateLimiter::DEFAULT_CAPACITY as i64;
/// Clamps rather than rejecting: this is driven by a text field.
pub fn from_millis(delay_ms: i64) -> Self {
Self {
delay_ms: delay_ms.clamp(0, Self::MAX_DELAY_MS),
}
}
pub fn from_seconds(delay_s: i64) -> Self {
Self::from_millis(delay_s.saturating_mul(1000))
}
/// A gap that spreads `count` messages evenly across the rate
/// limiter's window, so the batch never trips the cap. Returns 0 when
/// the batch already fits.
pub fn to_stay_under(capacity: u32, window_ms: i64, count: usize) -> Self {
if capacity == 0 || count == 0 {
return Self::from_millis(0);
}
if count <= capacity as usize {
return Self::from_millis(0);
}
Self::from_millis(window_ms / capacity as i64)
}
pub fn delay_ms(self) -> i64 {
self.delay_ms
}
pub fn is_immediate(self) -> bool {
self.delay_ms == 0
}
/// Wall-clock duration of a batch of `count` messages: `count - 1`
/// gaps, not `count`.
pub fn total_duration_ms(self, count: usize) -> i64 {
let gaps = count.saturating_sub(1) as i64;
self.delay_ms.saturating_mul(gaps)
}
/// Human estimate for a confirmation prompt, e.g. "about 3m 20s".
pub fn describe_duration(self, count: usize) -> String {
let ms = self.total_duration_ms(count);
if ms <= 0 {
return "a few seconds".into();
}
let total_s = ms / 1000;
let h = total_s / 3600;
let m = (total_s % 3600) / 60;
let s = total_s % 60;
if h > 0 {
format!("about {h}h {m}m")
} else if m > 0 {
format!("about {m}m {s}s")
} else {
format!("about {s}s")
}
}
}
impl Default for SendPacing {
/// Default to the relay-safe gap rather than zero, so a user who never
/// touches the field gets a batch that completes.
fn default() -> Self {
Self::from_millis(Self::RECOMMENDED_DELAY_MS)
}
}
#[cfg(test)]
mod tests {
use super::*;
// ---- SendRateLimiter ----------------------------------------------
#[test]
fn a_bucket_admits_up_to_capacity_within_the_window() {
let mut rl = SendRateLimiter::new(3, 1000);
assert!(rl.allow_at(0).is_ok());
assert!(rl.allow_at(100).is_ok());
assert!(rl.allow_at(200).is_ok());
// Fourth is over capacity within the window.
assert!(rl.allow_at(300).is_err());
}
#[test]
fn old_sends_roll_out_of_the_window() {
let mut rl = SendRateLimiter::new(1, 1000);
assert!(rl.allow_at(0).is_ok());
assert!(rl.allow_at(500).is_err(), "still inside the window");
assert!(rl.allow_at(1000).is_ok(), "window has rolled over");
}
#[test]
fn the_wait_is_until_the_oldest_send_rolls_out() {
let mut rl = SendRateLimiter::new(2, 1000);
rl.allow_at(0).unwrap();
rl.allow_at(300).unwrap();
// Oldest (0) rolls out at 1000; from 700 that is 300 more ms.
assert_eq!(rl.allow_at(700), Err(300));
}
#[test]
fn default_limits_are_100_per_hour() {
assert_eq!(SendRateLimiter::DEFAULT_CAPACITY, 100);
assert_eq!(SendRateLimiter::DEFAULT_WINDOW_MS, 60 * 60 * 1000);
}
#[test]
fn in_window_counts_only_sends_inside_the_window() {
let mut rl = SendRateLimiter::new(10, 1000);
rl.allow_at(0).unwrap();
rl.allow_at(500).unwrap();
assert_eq!(rl.in_window(600), 2);
assert_eq!(rl.in_window(1000), 1, "t=0 has rolled out");
assert_eq!(rl.in_window(2000), 0);
}
#[test]
fn a_zero_capacity_bucket_never_admits_but_does_not_panic() {
let mut rl = SendRateLimiter::new(0, 1000);
// Nothing is recorded, so front() must not be unwrapped.
let wait = rl.allow_at(0).unwrap_err();
assert_eq!(wait, 1000, "wait the full window when capacity is zero");
}
// ---- SendPacing ----------------------------------------------------
#[test]
fn the_recommended_gap_keeps_a_batch_inside_the_ceiling() {
// 100 / hour == one per 36 seconds.
assert_eq!(SendPacing::RECOMMENDED_DELAY_MS, 36_000);
assert_eq!(SendPacing::default().delay_ms(), 36_000);
}
#[test]
fn delays_clamp_to_zero_and_the_max() {
assert_eq!(SendPacing::from_millis(-5).delay_ms(), 0);
assert_eq!(
SendPacing::from_millis(i64::MAX).delay_ms(),
SendPacing::MAX_DELAY_MS
);
assert_eq!(
SendPacing::from_seconds(i64::MAX).delay_ms(),
SendPacing::MAX_DELAY_MS
);
}
#[test]
fn to_stay_under_is_zero_when_the_batch_fits() {
assert_eq!(SendPacing::to_stay_under(100, 3_600_000, 50).delay_ms(), 0);
assert_eq!(SendPacing::to_stay_under(100, 3_600_000, 100).delay_ms(), 0);
// Over capacity: spread across the window.
assert_eq!(
SendPacing::to_stay_under(100, 3_600_000, 200).delay_ms(),
36_000
);
// Degenerate inputs never panic.
assert_eq!(SendPacing::to_stay_under(0, 1000, 5).delay_ms(), 0);
assert_eq!(SendPacing::to_stay_under(10, 1000, 0).delay_ms(), 0);
}
#[test]
fn total_duration_counts_gaps_not_messages() {
// 3 messages at 10s == 2 gaps == 20s.
assert_eq!(SendPacing::from_seconds(10).total_duration_ms(3), 20_000);
// 1 message == no gap.
assert_eq!(SendPacing::from_seconds(10).total_duration_ms(1), 0);
// 0 messages == no gap, no negative panic.
assert_eq!(SendPacing::from_seconds(10).total_duration_ms(0), 0);
}
#[test]
fn duration_descriptions_are_human_readable() {
assert_eq!(
SendPacing::from_millis(0).describe_duration(50),
"a few seconds"
);
assert_eq!(
SendPacing::from_seconds(10).describe_duration(4),
"about 30s"
);
assert_eq!(
SendPacing::from_seconds(120).describe_duration(3),
"about 4m 0s"
);
// A one-hour total is reachable at the max gap with enough
// recipients: 8 messages at 10m is 7 gaps == 70 minutes.
assert_eq!(
SendPacing::from_seconds(600).describe_duration(8),
"about 1h 10m"
);
}
}

40
crates/nigig-core/src/email_send.rs
View file

@ -303,21 +303,7 @@ impl EmailSendRequest {
if config.is_incomplete() { if config.is_incomplete() {
return Err(SendError::ConfigIncomplete); return Err(SendError::ConfigIncomplete);
} }
Self::build_without_config(to, subject, body)
}
/// Validate everything except the SMTP config.
///
/// C1d/C5: the proxy backend sends through the mail service, so there
/// is no SMTP config to check -- `SmtpConfig::is_incomplete` would
/// wrongly reject every proxy send (its SMTP fields are deliberately
/// unset). The proxy validates its own configuration separately; this
/// path validates the message itself: recipients, subject, body.
pub fn build_without_config(
to: &str,
subject: &str,
body: &str,
) -> Result<(Self, RecipientList), SendError> {
let list = parse_recipients(to); let list = parse_recipients(to);
if list.accepted.is_empty() { if list.accepted.is_empty() {
@ -530,32 +516,6 @@ mod tests {
); );
} }
/// C5: the proxy send path has no SMTP config, so it must be able to
/// validate the message without one. `build_without_config` is that
/// seam, and it must still reject everything a bad message has.
#[test]
fn build_without_config_validates_the_message_but_not_the_config() {
let (req, list) =
EmailSendRequest::build_without_config("a@x.com, b@y.com", "Hi", "Body").unwrap();
assert_eq!(req.recipient_count(), 2);
assert!(list.rejected.is_empty());
// The same message-level failures still hold.
assert_eq!(
EmailSendRequest::build_without_config("", "s", "b").unwrap_err(),
SendError::NoRecipients
);
assert_eq!(
EmailSendRequest::build_without_config("a@x.com", "s", " ").unwrap_err(),
SendError::EmptyBody
);
assert!(matches!(
EmailSendRequest::build_without_config("a@x.com", "s", &"a".repeat(MAX_BODY_BYTES + 1))
.unwrap_err(),
SendError::BodyTooLarge { .. }
));
}
#[test] #[test]
fn no_recipients_and_all_invalid_are_different_errors() { fn no_recipients_and_all_invalid_are_different_errors() {
assert_eq!( assert_eq!(

140
crates/nigig-core/src/email_session.rs
View file

@ -1,140 +0,0 @@
//! The signed-in email account, shared across pages.
//!
//! The inbox page owns the sign-in flow and its `SessionState`, but the
//! Compose page also needs to send, and the More page needs to show and
//! clear the account. Rather than hoisting the whole session into the app
//! shell (a large refactor for one shared value), the session lives here:
//! a process-wide holder that the inbox writes on sign-in and clears on
//! sign-out.
//!
//! ## What it holds, and why the secret is here at all
//!
//! `EmailAccount` is the persistable half (no secret -- see
//! `email_account`), and the `Secret` is the session-only password. Both
//! are needed by any page that acts on the account. The secret is held
//! exactly as long as the session, is dropped on sign-out (see
//! `clear_session`), and never survives the process. This is the same
//! session-only contract the inbox already used; it is just shared now.
//!
//! A platform keystore (C1f) is the prerequisite for the password to
//! survive a restart; until then a restart means re-entering it, which is
//! the honest behaviour, not a bug.
use crate::email_account::EmailAccount;
use crate::secret::Secret;
use std::sync::{Mutex, OnceLock};
/// The signed-in account and its session secret.
#[derive(Clone)]
pub struct Session {
pub account: EmailAccount,
pub secret: Secret,
}
// A Debug impl that cannot leak the secret, for parity with Secret itself.
impl std::fmt::Debug for Session {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
f.debug_struct("Session")
.field("account", &self.account)
.field("secret", &self.secret) // Secret's Debug renders "***"
.finish()
}
}
static SESSION: OnceLock<Mutex<Option<Session>>> = OnceLock::new();
fn cell() -> &'static Mutex<Option<Session>> {
SESSION.get_or_init(|| Mutex::new(None))
}
/// Record the signed-in account. Replaces any previous session.
pub fn set_session(account: EmailAccount, secret: Secret) {
*cell().lock().expect("session lock poisoned") = Some(Session { account, secret });
}
/// The current session, if any, cloned out.
pub fn current_session() -> Option<Session> {
cell().lock().expect("session lock poisoned").clone()
}
/// Whether an account is signed in.
pub fn is_signed_in() -> bool {
cell().lock().expect("session lock poisoned").is_some()
}
/// Forget the session and drop the secret.
pub fn clear_session() {
*cell().lock().expect("session lock poisoned") = None;
}
/// Emitted when the user signs out from the More page, so the inbox can
/// flip back to the setup form. Posted globally (`Cx::post_action`) because
/// the inbox and the More page are sibling pages under a PageFlip and do
/// not see each other's local actions.
#[derive(Clone, Debug, Default)]
pub enum EmailSessionAction {
#[default]
None,
SignedIn,
SignedOut,
}
impl makepad_widgets::ActionDefaultRef for EmailSessionAction {
fn default_ref() -> &'static Self {
static DEFAULT: EmailSessionAction = EmailSessionAction::None;
&DEFAULT
}
}
#[cfg(test)]
mod tests {
use super::*;
fn account() -> EmailAccount {
EmailAccount {
address: "jane@example.com".into(),
smtp_server: "smtp.example.com".into(),
smtp_port: 587,
username: "jane@example.com".into(),
display_name: "Jane".into(),
backend: crate::mail_backend::BackendSettings::default(),
}
}
#[test]
fn a_session_can_be_set_and_read_back() {
set_session(account(), Secret::new("hunter2"));
assert!(is_signed_in());
let s = current_session().unwrap();
assert_eq!(s.account.address, "jane@example.com");
assert_eq!(s.secret.expose(), "hunter2");
clear_session();
}
#[test]
fn clearing_drops_the_session_and_the_secret() {
set_session(account(), Secret::new("hunter2"));
clear_session();
assert!(!is_signed_in());
assert!(current_session().is_none());
}
#[test]
fn a_new_sign_in_replaces_the_old_session() {
set_session(account(), Secret::new("old"));
set_session(account(), Secret::new("new"));
assert_eq!(current_session().unwrap().secret.expose(), "new");
clear_session();
}
/// The session holds a Secret; Debug must not leak it (S2, one more
/// layer out).
#[test]
fn debug_printing_a_session_does_not_leak_the_secret() {
set_session(account(), Secret::new("hunter2"));
let rendered = format!("{:?}", current_session().unwrap());
assert!(rendered.contains("jane@example.com"), "show non-secrets");
assert!(!rendered.contains("hunter2"), "leaked: {rendered}");
clear_session();
}
}

330
crates/nigig-core/src/email_worker.rs
View file

@ -127,122 +127,6 @@ pub fn spawn_proxy_verify(settings: crate::mail_backend::ProxySettings, token: S
}); });
} }
/// Spawn an inbox fetch for the signed-in backend (C4b).
///
/// One entry point for both backends: the proxy talks HTTP, the direct
/// backend talks IMAP (when the `imap` feature is enabled -- a build
/// without it reports an honest error rather than silently returning an
/// empty inbox). Posts `EmailWorkerAction::InboxFetched` either way.
pub fn spawn_fetch_inbox(settings: crate::mail_backend::BackendSettings, secret: Secret) {
crate::platform::spawn(async move {
let result: Result<Vec<crate::email_store::EmailMessage>, String> = match settings {
crate::mail_backend::BackendSettings::ProxyApi(s) => {
let client = crate::mail_proxy::ProxyApiClient::new(s, secret);
#[cfg(not(target_arch = "wasm32"))]
let r = client
.list_inbox(&crate::mail_proxy::ReqwestTransport::default())
.await;
#[cfg(target_arch = "wasm32")]
let r = client
.list_inbox(&crate::mail_proxy::WasmFetchTransport)
.await;
r.map_err(|e| e.message())
}
crate::mail_backend::BackendSettings::ImapSmtp(s) => {
#[cfg(feature = "imap")]
{
let client = crate::imap_client::ImapClient::new(s, secret);
client
.list_inbox(&crate::imap_client::AsyncImapTransport)
.await
.map_err(|e| e.message())
}
#[cfg(not(feature = "imap"))]
{
let _ = (s, secret);
Err(
"Reading mail directly needs the IMAP feature, which is not \
built into this build."
.to_string(),
)
}
}
};
Cx::post_action(EmailWorkerAction::InboxFetched(result));
});
}
/// Send a message through the signed-in backend (C5).
///
/// The compose page (and any future caller) does not know whether the
/// account is SMTP or proxy; this branches on the account's backend. The
/// SMTP arm reuses `spawn_send_email`; the proxy arm validates the message
/// without an SMTP config and sends through the mail service. Both share
/// the in-flight guard and the abandon control (B5/B6).
pub fn spawn_send_message(
account: &crate::email_account::EmailAccount,
secret: Secret,
to: String,
subject: String,
body: String,
) {
use crate::mail_backend::BackendSettings;
match &account.backend {
BackendSettings::ImapSmtp(_) => {
let config = SmtpConfig {
server: account.smtp_server.clone(),
port: account.smtp_port,
username: account.username.clone(),
password: secret,
from: account.address.clone(),
};
spawn_send_email(config, to, subject, body);
}
BackendSettings::ProxyApi(settings) => {
// No SMTP config to check -- the proxy validates itself. The
// message is still validated (recipients, subject, body).
let req = match crate::email_send::EmailSendRequest::build_without_config(
&to, &subject, &body,
) {
Err(e) => {
Cx::post_action(EmailWorkerAction::SendResult(Err(e.message())));
return;
}
Ok((req, _)) => req,
};
if SEND_IN_FLIGHT.swap(true, std::sync::atomic::Ordering::Relaxed) {
Cx::post_action(EmailWorkerAction::SendResult(Err(
SEND_ALREADY_RUNNING.to_string()
)));
return;
}
SEND_ABANDONED.store(false, std::sync::atomic::Ordering::Relaxed);
let settings = settings.clone();
crate::platform::spawn(async move {
let client = crate::mail_proxy::ProxyApiClient::new(settings, secret);
#[cfg(not(target_arch = "wasm32"))]
let result = client
.send(&crate::mail_proxy::ReqwestTransport::default(), &req)
.await;
#[cfg(target_arch = "wasm32")]
let result = client
.send(&crate::mail_proxy::WasmFetchTransport, &req)
.await;
SEND_IN_FLIGHT.store(false, std::sync::atomic::Ordering::Relaxed);
if SEND_ABANDONED.swap(false, std::sync::atomic::Ordering::Relaxed) {
return;
}
Cx::post_action(EmailWorkerAction::SendResult(
result.map_err(|e| e.message()),
));
});
}
}
}
/// Shown when a send is attempted without enough settings to try. /// Shown when a send is attempted without enough settings to try.
pub const INCOMPLETE_CONFIG_MESSAGE: &str = pub const INCOMPLETE_CONFIG_MESSAGE: &str =
"Missing account settings. Check the server, port, username, password and from address."; "Missing account settings. Check the server, port, username, password and from address.";
@ -412,9 +296,9 @@ use lettre::{
#[cfg(not(target_arch = "wasm32"))] #[cfg(not(target_arch = "wasm32"))]
async fn smtp_test_impl(config: &SmtpConfig) -> Result<(), String> { async fn smtp_test_impl(config: &SmtpConfig) -> Result<(), String> {
let mailer = acquire_transport(config)?; let creds = Credentials::new(config.username.clone(), config.password.expose().to_owned());
let mailer = build_transport(config, creds)?;
mailer mailer
.transport()
.test_connection() .test_connection()
.await .await
.map(|_| ()) .map(|_| ())
@ -458,9 +342,9 @@ async fn send_email_impl(
let email = builder let email = builder
.body(body.to_owned()) .body(body.to_owned())
.map_err(|e| format!("Build error: {e}"))?; .map_err(|e| format!("Build error: {e}"))?;
let mailer = acquire_transport(config)?; let creds = Credentials::new(config.username.clone(), config.password.expose().to_owned());
let mailer = build_transport(config, creds)?;
mailer mailer
.transport()
.send(email) .send(email)
.await .await
.map_err(|e| format!("Send failed: {e}"))?; .map_err(|e| format!("Send failed: {e}"))?;
@ -542,144 +426,6 @@ fn build_transport(
/// user on a bad connection needs an error, not a two-minute stall. /// user on a bad connection needs an error, not a two-minute stall.
pub const SMTP_TIMEOUT_SECS: u64 = 20; pub const SMTP_TIMEOUT_SECS: u64 = 20;
// --- D4: reuse the SMTP connection across operations --------------------
//
// The assessment (P3) noted a brand-new transport per operation: every
// send re-did TCP + TLS + AUTH. lettre's `pool` feature is compiled in
// (Cargo.toml) but was never used. This is the fix.
//
// ## Why one slot, not a multi-connection pool
//
// `SEND_IN_FLIGHT` already serialises sends -- at most one send is running
// at a time -- so a pool of N connections would hold N-1 idle sockets for
// nothing. One reused transport per (server, port, username, secret) is
// exactly the right size.
//
// ## What is verified, and what is not
//
// The *keying* decision -- "reuse this transport, or build a new one?" --
// is pure and tested (`should_reuse`). The connection-level reuse itself
// cannot be exercised without a live relay, so it is a read of lettre's
// contract (a transport reconnects lazily on the next `.send`), not an
// observed handshake. The secret is compared by value (never logged) so a
// re-entered password correctly rebuilds the transport instead of reusing
// one with stale credentials.
#[cfg(not(target_arch = "wasm32"))]
#[derive(Clone, Debug, PartialEq, Eq)]
struct TransportKey {
server: String,
port: u16,
username: String,
}
#[cfg(not(target_arch = "wasm32"))]
impl TransportKey {
fn from_config(config: &SmtpConfig) -> Self {
Self {
server: config.server.trim().to_string(),
port: config.port,
username: config.username.trim().to_string(),
}
}
}
/// Should an existing pool entry be reused for this config + secret?
///
/// Pure so the policy is testable: reuse only when the server, port,
/// username AND password all match; anything else rebuilds. The password
/// check is what stops a re-entered credential from silently reusing a
/// transport that still holds the old one.
#[cfg(not(target_arch = "wasm32"))]
fn should_reuse(
existing: Option<(&TransportKey, &Secret)>,
key: &TransportKey,
secret: &Secret,
) -> bool {
existing.is_some_and(|(k, s)| k == key && s == secret)
}
#[cfg(not(target_arch = "wasm32"))]
struct PoolEntry {
key: TransportKey,
secret: Secret,
transport: AsyncSmtpTransport<Tokio1Executor>,
}
#[cfg(not(target_arch = "wasm32"))]
static TRANSPORT_POOL: std::sync::OnceLock<std::sync::Mutex<Option<PoolEntry>>> =
std::sync::OnceLock::new();
/// A transport checked out of the pool; returned on drop.
///
/// The entry is *moved out* of the pool while held, so no `MutexGuard` is
/// held across the `.await` on the send -- a `std::sync::MutexGuard` is
/// `!Send` and would make the spawned future `!Send`. Owning the entry
/// directly keeps the future `Send`.
#[cfg(not(target_arch = "wasm32"))]
pub struct AcquiredTransport {
entry: Option<PoolEntry>,
pool: &'static std::sync::Mutex<Option<PoolEntry>>,
}
#[cfg(not(target_arch = "wasm32"))]
impl AcquiredTransport {
pub fn transport(&self) -> &AsyncSmtpTransport<Tokio1Executor> {
&self
.entry
.as_ref()
.expect("held transport is present")
.transport
}
}
#[cfg(not(target_arch = "wasm32"))]
impl Drop for AcquiredTransport {
fn drop(&mut self) {
if let Some(entry) = self.entry.take() {
if let Ok(mut guard) = self.pool.lock() {
*guard = Some(entry);
}
}
}
}
/// Get a transport for `config`, reusing a matching pooled one.
#[cfg(not(target_arch = "wasm32"))]
fn acquire_transport(config: &SmtpConfig) -> Result<AcquiredTransport, String> {
let pool: &'static std::sync::Mutex<Option<PoolEntry>> =
TRANSPORT_POOL.get_or_init(|| std::sync::Mutex::new(None));
let key = TransportKey::from_config(config);
let secret = config.password.clone();
// Take the existing entry so we own it outside the lock.
let existing = pool
.lock()
.map_err(|_| "transport pool poisoned".to_string())?
.take();
let entry = if should_reuse(
existing.as_ref().map(|e| (&e.key, &e.secret)),
&key,
&secret,
) {
existing.expect("should_reuse true implies an entry was present")
} else {
let creds = Credentials::new(config.username.clone(), config.password.expose().to_owned());
let transport = build_transport(config, creds)?;
PoolEntry {
key,
secret,
transport,
}
};
Ok(AcquiredTransport {
entry: Some(entry),
pool,
})
}
// --- Wasm implementation: HTTP API proxy via fetch --- // --- Wasm implementation: HTTP API proxy via fetch ---
#[cfg(target_arch = "wasm32")] #[cfg(target_arch = "wasm32")]
@ -788,12 +534,6 @@ async fn call_email_api(json_body: &str) -> Result<(), String> {
// --- Shared types --- // --- Shared types ---
// D5: the `None` variant is gone. It existed only to satisfy
// `ActionDefaultRef`, but this action is consumed purely via
// `downcast_ref()` (which needs only `ActionTrait` = `'static + Debug`) --
// no caller uses `.cast()`/`cast_ref()`, so no default is required. A
// `None` variant that is never constructed only widened matches for no
// behaviour.
#[derive(Clone, Debug)] #[derive(Clone, Debug)]
pub enum EmailWorkerAction { pub enum EmailWorkerAction {
SmtpTestResult(Result<(), String>), SmtpTestResult(Result<(), String>),
@ -802,10 +542,20 @@ pub enum EmailWorkerAction {
/// the UI's "checking connection" flow is transport-agnostic. /// the UI's "checking connection" flow is transport-agnostic.
ProxyVerifyResult(Result<(), String>), ProxyVerifyResult(Result<(), String>),
SendResult(Result<(), String>), SendResult(Result<(), String>),
/// Result of an inbox fetch (C4b). Carries the messages on success, or None,
/// the reason on failure, so the inbox can render loading/error/empty }
/// states without knowing which backend produced them.
InboxFetched(Result<Vec<crate::email_store::EmailMessage>, String>), impl Default for EmailWorkerAction {
fn default() -> Self {
Self::None
}
}
impl ActionDefaultRef for EmailWorkerAction {
fn default_ref() -> &'static Self {
static NONE: EmailWorkerAction = EmailWorkerAction::None;
&NONE
}
} }
#[cfg(test)] #[cfg(test)]
@ -901,50 +651,6 @@ mod tests {
}); });
} }
// ---- D4: the transport pool keying ---------------------------------
#[cfg(not(target_arch = "wasm32"))]
#[test]
fn the_pool_key_is_server_port_and_username() {
let key = TransportKey::from_config(&good());
assert_eq!(key.server, "smtp.example.com");
assert_eq!(key.port, SmtpConfig::DEFAULT_PORT);
assert_eq!(key.username, "jane@example.com");
// Whitespace is normalised, so two configs differing only by
// stray spaces share a key.
let padded = SmtpConfig {
server: " smtp.example.com ".into(),
username: " jane@example.com ".into(),
..good()
};
assert_eq!(TransportKey::from_config(&padded), key);
}
#[cfg(not(target_arch = "wasm32"))]
#[test]
fn reuse_requires_matching_key_and_secret() {
let key = TransportKey::from_config(&good());
let secret = Secret::new("hunter2");
// Nothing pooled -> build.
assert!(!should_reuse(None, &key, &secret));
// Same key + secret -> reuse.
assert!(should_reuse(Some((&key, &secret)), &key, &secret));
// A different server (or port, or username) -> rebuild.
let other = TransportKey {
server: "smtp.other.com".into(),
..key.clone()
};
assert!(!should_reuse(Some((&key, &secret)), &other, &secret));
// The same key but a re-entered password -> rebuild, so a stale
// credential is never silently reused (the key alone would say
// "reuse", which is exactly the bug the secret check prevents).
let changed = Secret::new("hunter3");
assert!(!should_reuse(Some((&key, &secret)), &key, &changed));
}
// ---- A4: local validation before spending a round trip ------------ // ---- A4: local validation before spending a round trip ------------
#[test] #[test]

535
crates/nigig-core/src/imap_client.rs
View file

@ -1,535 +0,0 @@
//! The direct-backend IMAP client (Phase C1e).
//!
//! C1 decided to support both backends. The proxy (C1d) is done; this is
//! the other half: reading mail straight from the provider over IMAP.
//!
//! ## The seam, and why it mirrors the proxy
//!
//! IMAP is a stateful raw-TCP protocol: connect, TLS, `LOGIN`, `SELECT
//! INBOX`, `FETCH`. None of that can run in a browser (so this whole
//! module is native-only) and none of it can be host-tested against a
//! real server. So, exactly like `mail_proxy`, the bugs are pushed to the
//! *edges* -- the neutral `FetchedMessage` shape, the date parser, the
//! error mapping -- which ARE pure and tested, while the socket lives
//! behind an `ImapTransport` trait.
//!
//! The real transport (`AsyncImapTransport`) uses `async-imap` and is
//! gated behind the `imap` feature so wasm builds (and builds that do not
//! need IMAP) never pull in its native-TLS dependency tree. See Cargo.toml.
//!
//! ## What is NOT verified
//!
//! No IMAP handshake has been executed here. The trait wiring is proven
//! against a mock; the parser and mapping against fixtures; the socket is
//! a read of async-imap's API. This is stated plainly because the whole
//! point of the remediation was to stop confusing "compiles" with "works".
use crate::email_store::EmailMessage;
use crate::mail_backend::ImapSmtpSettings;
use crate::secret::Secret;
/// Standard IMAP-over-TLS port (re-exported for the transport).
pub use crate::mail_backend::{IMAPS_PORT, IMAP_STARTTLS_PORT};
/// One message as fetched, before mapping to the domain type.
///
/// This is the neutral shape both the real transport (async-imap) and the
/// mock produce, so the mapping to `EmailMessage` is exercised without a
/// socket and without async-imap.
#[derive(Clone, Debug, PartialEq, Eq)]
pub struct FetchedMessage {
pub uid: String,
pub from_address: String,
pub from_name: String,
pub subject: String,
pub body: String,
pub date_ms: i64,
/// From the `\Seen` flag: has the user already read this message?
pub is_read: bool,
}
/// Map a fetched message onto the domain type.
///
/// Pure, so the envelope→`EmailMessage` shape is pinned by tests. The id
/// is the provider's UID, which is stable across fetches and so is the
/// natural de-duplication key for the cache (C3).
pub fn to_email_message(f: FetchedMessage) -> EmailMessage {
EmailMessage {
id: f.uid,
from_address: f.from_address,
from_name: f.from_name,
subject: f.subject,
body: f.body,
date_ms: f.date_ms,
is_read: f.is_read,
is_outgoing: false,
}
}
/// Parse an IMAP `INTERNALDATE` into epoch milliseconds.
///
/// The format is `dd-MMM-yyyy HH:mm:ss ±HHMM` with an English month
/// abbreviation (`17-Aug-2026 09:00:00 +0000`). Providers have been known
/// to omit the zone or emit `-0000`, and a wrong zone silently shifts
/// every row's timestamp; returning `None` (which the caller renders as an
/// empty timestamp) is better than a confident wrong one.
pub fn parse_imap_date(s: &str) -> Option<i64> {
let t = s.trim();
// chrono accepts the RFC-ish form including the zone. Try with zone
// first; fall back to parsing the date/time portion as UTC when the
// provider omitted the zone.
chrono::DateTime::parse_from_str(t, "%d-%b-%Y %H:%M:%S %z")
.map(|dt| dt.timestamp_millis())
.ok()
.or_else(|| {
chrono::NaiveDateTime::parse_from_str(t, "%d-%b-%Y %H:%M:%S")
.ok()
.and_then(|naive| naive.and_utc().timestamp_millis().into())
.map(|ms| {
chrono::DateTime::from_timestamp_millis(ms)
.map(|dt| dt.timestamp_millis())
.unwrap_or(ms)
})
})
}
/// Why an IMAP operation failed, one variant per thing the user can act on.
#[derive(Clone, Debug, PartialEq, Eq)]
pub enum ImapError {
/// The transport could not complete the exchange (DNS, TLS, timeout).
Transport(String),
/// `LOGIN` was refused: the username or password is wrong.
AuthFailed,
/// The server has no INBOX or refused to select it.
NoInbox,
/// The transport succeeded but produced nothing we could map.
Malformed(String),
}
impl ImapError {
pub fn message(&self) -> String {
match self {
ImapError::Transport(e) => format!("Could not reach the mail server: {e}"),
ImapError::AuthFailed => "Login failed. Check your username and password.".into(),
ImapError::NoInbox => "The server did not expose an inbox.".into(),
ImapError::Malformed(_) => "The server sent a reply we could not understand.".into(),
}
}
}
/// The thing that actually speaks IMAP. The only place a socket opens.
///
/// The real implementation is `AsyncImapTransport` (feature `imap`); tests
/// inject a mock. This is what makes `ImapClient` host-testable.
#[allow(async_fn_in_trait)]
pub trait ImapTransport {
async fn verify(&self, settings: &ImapSmtpSettings, password: &Secret) -> Result<(), String>;
async fn fetch_inbox(
&self,
settings: &ImapSmtpSettings,
password: &Secret,
) -> Result<Vec<FetchedMessage>, String>;
}
/// A configured direct-backend client.
#[derive(Clone, Debug)]
pub struct ImapClient {
pub settings: ImapSmtpSettings,
pub password: Secret,
}
impl ImapClient {
pub fn new(settings: ImapSmtpSettings, password: Secret) -> Self {
Self { settings, password }
}
/// Prove the credentials work before saving the account.
pub async fn verify<T: ImapTransport + ?Sized>(&self, t: &T) -> Result<(), ImapError> {
t.verify(&self.settings, &self.password)
.await
.map_err(ImapError::Transport)
}
/// Fetch the inbox and map onto the domain type.
pub async fn list_inbox<T: ImapTransport + ?Sized>(
&self,
t: &T,
) -> Result<Vec<EmailMessage>, ImapError> {
let fetched = t
.fetch_inbox(&self.settings, &self.password)
.await
.map_err(ImapError::Transport)?;
Ok(fetched.into_iter().map(to_email_message).collect())
}
}
// ---------------------------------------------------------------------
// Native transport: async-imap over native TLS. Feature-gated so wasm
// builds (which cannot open a raw TCP socket) never compile it.
// ---------------------------------------------------------------------
#[cfg(feature = "imap")]
mod native {
use super::*;
use async_imap::error::Result as ImapResult;
use async_native_tls::TlsConnector;
use futures::StreamExt;
type Stream = async_native_tls::TlsStream<async_net::TcpStream>;
/// The real transport. Constructing it does no I/O; each call opens a
/// fresh connection and closes it on return (see the module note: no
/// pooling here yet -- that is D4, and it is the same work the SMTP
/// path needs).
#[derive(Clone, Copy, Debug, Default)]
pub struct AsyncImapTransport;
async fn connect(settings: &ImapSmtpSettings) -> Result<async_imap::Client<Stream>, String> {
let host = settings.imap_server.clone();
let port = if settings.imap_port == 0 {
IMAPS_PORT
} else {
settings.imap_port
};
let tcp = async_net::TcpStream::connect((host.as_str(), port))
.await
.map_err(|e| format!("connect failed: {e}"))?;
let tls = TlsConnector::new();
let stream = tls
.connect(&host, tcp)
.await
.map_err(|e| format!("TLS failed: {e}"))?;
Ok(async_imap::Client::new(stream))
}
async fn login(
settings: &ImapSmtpSettings,
password: &Secret,
) -> Result<async_imap::Session<Stream>, String> {
let client = connect(settings).await?;
client
.login(&settings.username, password.expose())
.await
.map_err(|(e, _)| e.to_string())
}
impl ImapTransport for AsyncImapTransport {
async fn verify(
&self,
settings: &ImapSmtpSettings,
password: &Secret,
) -> Result<(), String> {
let mut session = login(settings, password).await?;
session.select("INBOX").await.map_err(|e| e.to_string())?;
session.logout().await.map_err(|e| e.to_string())?;
Ok(())
}
async fn fetch_inbox(
&self,
settings: &ImapSmtpSettings,
password: &Secret,
) -> Result<Vec<FetchedMessage>, String> {
let mut session = login(settings, password).await?;
session.select("INBOX").await.map_err(|e| e.to_string())?;
// The fetch stream borrows `session` mutably, so it must be
// dropped before `logout` below. A block scope does that.
let messages = {
let fetches = session
.fetch("1:*", "(UID ENVELOPE BODY.PEEK[TEXT] INTERNALDATE FLAGS)")
.await
.map_err(|e| e.to_string())?;
// An explicit poll loop rather than `.collect()`: per-message
// parse errors are dropped, not fatal, and the loop keeps the
// error-handling intent visible.
futures::pin_mut!(fetches);
let mut messages = Vec::new();
while let Some(res) = fetches.next().await {
if let Ok(f) = res {
if let Ok(Some(m)) = fetch_to_message(&f) {
messages.push(m);
}
}
}
messages
};
session.logout().await.map_err(|e| e.to_string())?;
Ok(messages)
}
}
fn fetch_to_message(f: &async_imap::types::Fetch) -> ImapResult<Option<FetchedMessage>> {
let envelope = match f.envelope() {
Some(e) => e,
None => return Ok(None), // a fetch without an envelope is a no-op
};
// async-imap's envelope/address fields are raw bytes (Cow<[u8]>),
// so decode lossily rather than failing on a non-UTF8 header.
fn lossy(b: Option<&std::borrow::Cow<'_, [u8]>>) -> String {
b.map(|c| String::from_utf8_lossy(c).into_owned())
.unwrap_or_default()
}
// The first `from` address; empty `from` (a bounce) still needs a
// stable, non-empty grouping key.
let (from_address, from_name) = match envelope.from.as_ref().and_then(|v| v.first()) {
Some(addr) => {
let mailbox = lossy(addr.mailbox.as_ref());
let host = lossy(addr.host.as_ref());
let address = if mailbox.is_empty() {
String::new()
} else {
format!("{mailbox}@{host}")
};
(address, lossy(addr.name.as_ref()))
}
None => (String::new(), String::new()),
};
let subject = envelope
.subject
.as_ref()
.map(|s| String::from_utf8_lossy(s).trim().to_string())
.unwrap_or_default();
// The literal text body; the first non-empty text section is the
// pragmatic choice (a multipart has several). Empty is fine -- the
// preview renders "(no subject)"-style fallbacks.
let body = f
.text()
.map(|b| String::from_utf8_lossy(b).into_owned())
.unwrap_or_default();
// `internal_date()` already parses into a chrono DateTime.
let date_ms = f.internal_date().map(|d| d.timestamp_millis()).unwrap_or(0);
let is_read = f.flags().any(|f| f == async_imap::types::Flag::Seen);
let uid = f
.uid
.map(|u| u.to_string())
.unwrap_or_else(|| f.message.to_string());
Ok(Some(FetchedMessage {
uid,
from_address,
from_name,
subject,
body,
date_ms,
is_read,
}))
}
}
#[cfg(feature = "imap")]
pub use native::AsyncImapTransport;
#[cfg(test)]
mod tests {
use super::*;
fn settings() -> ImapSmtpSettings {
ImapSmtpSettings {
imap_server: "imap.example.com".into(),
imap_port: IMAPS_PORT,
smtp_server: "smtp.example.com".into(),
smtp_port: 587,
username: "jane@example.com".into(),
}
}
fn client() -> ImapClient {
ImapClient::new(settings(), Secret::new("hunter2"))
}
/// A transport that returns canned messages and records what it saw,
/// so the client glue -- and error propagation -- is exercised without
/// a socket or async-imap.
struct MockTransport {
result: Result<Vec<FetchedMessage>, String>,
saw_user: std::cell::RefCell<String>,
saw_pass: std::cell::RefCell<String>,
}
impl MockTransport {
fn ok(msgs: Vec<FetchedMessage>) -> Self {
Self {
result: Ok(msgs),
saw_user: Default::default(),
saw_pass: Default::default(),
}
}
fn err(e: &str) -> Self {
Self {
result: Err(e.to_string()),
saw_user: Default::default(),
saw_pass: Default::default(),
}
}
}
impl ImapTransport for MockTransport {
async fn verify(
&self,
settings: &ImapSmtpSettings,
password: &Secret,
) -> Result<(), String> {
*self.saw_user.borrow_mut() = settings.username.clone();
*self.saw_pass.borrow_mut() = password.expose().to_string();
self.result.as_ref().map(|_| ()).map_err(|e| e.clone())
}
async fn fetch_inbox(
&self,
settings: &ImapSmtpSettings,
password: &Secret,
) -> Result<Vec<FetchedMessage>, String> {
*self.saw_user.borrow_mut() = settings.username.clone();
*self.saw_pass.borrow_mut() = password.expose().to_string();
self.result.clone()
}
}
fn block_on<F: std::future::Future>(fut: F) -> F::Output {
use std::sync::Arc;
use std::task::{Context, Poll, Wake, Waker};
struct Noop;
impl Wake for Noop {
fn wake(self: Arc<Self>) {}
}
let waker = Waker::from(Arc::new(Noop));
let mut cx = Context::from_waker(&waker);
let mut fut = Box::pin(fut);
loop {
match fut.as_mut().poll(&mut cx) {
Poll::Ready(v) => return v,
Poll::Pending => std::thread::yield_now(),
}
}
}
// ---- date parsing --------------------------------------------------
#[test]
fn parses_a_full_internal_date_with_zone() {
// 17-Aug-2026 00:00:00 +0000 == 2026-08-17T00:00:00Z.
let ms = parse_imap_date("17-Aug-2026 00:00:00 +0000").unwrap();
let dt = chrono::DateTime::from_timestamp_millis(ms).unwrap();
assert_eq!(
dt.format("%Y-%m-%d %H:%M:%S").to_string(),
"2026-08-17 00:00:00"
);
}
#[test]
fn honours_a_nonzero_zone() {
// 09:00 +0300 is 06:00 UTC.
let ms = parse_imap_date("17-Aug-2026 09:00:00 +0300").unwrap();
let dt = chrono::DateTime::from_timestamp_millis(ms).unwrap();
assert_eq!(dt.format("%H:%M").to_string(), "06:00");
}
#[test]
fn a_missing_zone_is_treated_as_utc_not_an_error() {
let ms = parse_imap_date("17-Aug-2026 05:00:00").unwrap();
let dt = chrono::DateTime::from_timestamp_millis(ms).unwrap();
assert_eq!(dt.format("%H").to_string(), "05");
}
#[test]
fn garbage_returns_none_instead_of_panicking() {
for bad in [
"",
"not a date",
"99-Xxx-2026 00:00:00 +0000",
"17-Aug-2026",
] {
assert_eq!(parse_imap_date(bad), None, "should reject {bad:?}");
}
}
// ---- mapping -------------------------------------------------------
#[test]
fn a_fetched_message_maps_onto_the_domain_type() {
let m = to_email_message(FetchedMessage {
uid: "42".into(),
from_address: "alerts@bank.co.ke".into(),
from_name: "Equity Alerts".into(),
subject: "Statement".into(),
body: "Your statement is ready.".into(),
date_ms: 123,
is_read: false,
});
assert_eq!(m.id, "42");
assert_eq!(m.from_address, "alerts@bank.co.ke");
assert_eq!(m.is_outgoing, false, "fetched mail is never outgoing");
}
// ---- client glue, through the mock ---------------------------------
#[test]
fn list_inbox_delegates_and_maps() {
let t = MockTransport::ok(vec![FetchedMessage {
uid: "1".into(),
from_address: "a@b.com".into(),
from_name: String::new(),
subject: "Hi".into(),
body: "Body".into(),
date_ms: 5,
is_read: true,
}]);
let msgs = block_on(client().list_inbox(&t)).unwrap();
assert_eq!(msgs.len(), 1);
assert_eq!(msgs[0].id, "1");
assert_eq!(*t.saw_user.borrow(), "jane@example.com");
assert_eq!(*t.saw_pass.borrow(), "hunter2");
}
#[test]
fn verify_delegates_and_passes_the_credentials() {
let t = MockTransport::ok(vec![]);
block_on(client().verify(&t)).unwrap();
assert_eq!(*t.saw_user.borrow(), "jane@example.com");
assert_eq!(*t.saw_pass.borrow(), "hunter2");
}
#[test]
fn a_transport_failure_surfaces_as_a_transport_error() {
let t = MockTransport::err("connection refused");
let err = block_on(client().list_inbox(&t)).unwrap_err();
assert_eq!(err, ImapError::Transport("connection refused".into()));
assert!(err.message().contains("connection refused"));
}
#[test]
fn every_imap_error_has_a_distinct_actionable_message() {
let all = [
ImapError::Transport("dns".into()),
ImapError::AuthFailed,
ImapError::NoInbox,
ImapError::Malformed("x".into()),
];
let mut seen = std::collections::HashSet::new();
for e in &all {
let m = e.message();
assert!(m.len() > 10, "{e:?} message too terse: {m}");
assert!(seen.insert(m.clone()), "duplicate message for {e:?}");
}
assert!(ImapError::AuthFailed.message().contains("password"));
}
/// The client holds a Secret, so Debug-printing it must not leak the
/// password -- the S2 property, one more layer out.
#[test]
fn debug_printing_the_client_does_not_leak_the_password() {
let rendered = format!("{:?}", client());
assert!(rendered.contains("imap.example.com"), "show non-secrets");
assert!(!rendered.contains("hunter2"), "leaked: {rendered}");
}
}

5
crates/nigig-core/src/lib.rs
View file

@ -25,11 +25,6 @@ pub mod email_store;
pub mod mail_backend; pub mod mail_backend;
pub mod mail_proxy; pub mod mail_proxy;
pub mod email_worker; pub mod email_worker;
pub mod email_pacing;
pub mod credential_store;
pub mod email_cache;
pub mod imap_client;
pub mod email_session;
pub use dir::app_data_dir; pub use dir::app_data_dir;
pub use persistence::*; pub use persistence::*;

59
tools/test-email-coverage.sh
View file

@ -27,12 +27,9 @@ IFS=$'\n\t'
ROOT="$(CDPATH= cd -- "$(dirname -- "${BASH_SOURCE[0]}")/.." && pwd)" ROOT="$(CDPATH= cd -- "$(dirname -- "${BASH_SOURCE[0]}")/.." && pwd)"
TOOLCHAIN="${RUST_TOOLCHAIN:-1.97.1}" TOOLCHAIN="${RUST_TOOLCHAIN:-1.97.1}"
# The whole-domain floor, set a little under today's measurement (~90.7%) # The whole-domain floor, set a little under today's measurement (~93%) so
# so ordinary refactoring does not trip it while a real loss of coverage # ordinary refactoring does not trip it while a real loss of coverage does.
# does. The remaining uncovered lines are the actual network I/O (SMTP TOTAL_FLOOR="${EMAIL_COVERAGE_TOTAL_FLOOR:-90}"
# socket, reqwest/fetch, the feature-gated IMAP socket) and platform file
# I/O, which the plan records as "not host-verified" rather than testable.
TOTAL_FLOOR="${EMAIL_COVERAGE_TOTAL_FLOOR:-88}"
# Per-file floors for the files that have actually harboured the bugs the # Per-file floors for the files that have actually harboured the bugs the
# remediation fixed. A single whole-domain number hides exactly the failure # remediation fixed. A single whole-domain number hides exactly the failure
@ -47,16 +44,11 @@ TOTAL_FLOOR="${EMAIL_COVERAGE_TOTAL_FLOOR:-88}"
PER_FILE_FLOORS="${EMAIL_COVERAGE_PER_FILE_FLOORS:-\ PER_FILE_FLOORS="${EMAIL_COVERAGE_PER_FILE_FLOORS:-\
nigig-core/src/mail_proxy.rs:85 nigig-core/src/mail_proxy.rs:85
nigig-core/src/mail_backend.rs:92 nigig-core/src/mail_backend.rs:92
nigig-core/src/email_worker.rs:55 nigig-core/src/email_worker.rs:65
nigig-core/src/email_send.rs:95 nigig-core/src/email_send.rs:95
nigig-core/src/email_store.rs:95 nigig-core/src/email_store.rs:95
nigig-core/src/email_account.rs:95 nigig-core/src/email_account.rs:95
nigig-core/src/secret.rs:95 nigig-core/src/secret.rs:95}"
nigig-core/src/email_pacing.rs:90
nigig-core/src/credential_store.rs:90
nigig-core/src/email_cache.rs:80
nigig-core/src/email_session.rs:90
nigig-core/src/imap_client.rs:85}"
WORK="$(mktemp -d "${TMPDIR:-/tmp}/email-coverage.XXXXXXXX")" WORK="$(mktemp -d "${TMPDIR:-/tmp}/email-coverage.XXXXXXXX")"
cleanup() { cleanup() {
@ -97,8 +89,8 @@ chmod 700 "$WORK/rustup-init"
printf 'running the email domain tests under instrumentation\n' printf 'running the email domain tests under instrumentation\n'
cd "$ROOT" cd "$ROOT"
cargo test --locked -p nigig-core --lib -- \ cargo test --locked -p nigig-core --lib -- \
email_ secret:: mail_backend:: mail_proxy:: imap_client:: credential_store:: \ email_ secret:: mail_backend:: mail_proxy:: >"$WORK/test.log" 2>&1 \
>"$WORK/test.log" 2>&1 || { cat "$WORK/test.log"; exit 1; } || { cat "$WORK/test.log"; exit 1; }
grep -E 'test result' "$WORK/test.log" | tail -5 grep -E 'test result' "$WORK/test.log" | tail -5
HOST="$(rustc -vV | sed -n 's/^host: //p')" HOST="$(rustc -vV | sed -n 's/^host: //p')"
@ -117,34 +109,25 @@ if [ -z "$BIN" ]; then
exit 1 exit 1
fi fi
# Only the email files count. Makepad's generated code, other nigig-core # Only the seven email files count. Makepad's generated code, other
# modules and the registry are all excluded. # nigig-core modules and the registry are all excluded.
IGNORE='(/cargo/registry|/cargo/git|/rustc/)' IGNORE='(/cargo/registry|/cargo/git|/rustc/)'
EMAIL_FILES=(
"$ROOT/crates/nigig-core/src/email_account.rs"
"$ROOT/crates/nigig-core/src/email_send.rs"
"$ROOT/crates/nigig-core/src/email_store.rs"
"$ROOT/crates/nigig-core/src/email_worker.rs"
"$ROOT/crates/nigig-core/src/mail_backend.rs"
"$ROOT/crates/nigig-core/src/mail_proxy.rs"
"$ROOT/crates/nigig-core/src/secret.rs"
"$ROOT/crates/nigig-core/src/email_pacing.rs"
"$ROOT/crates/nigig-core/src/credential_store.rs"
"$ROOT/crates/nigig-core/src/email_cache.rs"
"$ROOT/crates/nigig-core/src/email_session.rs"
"$ROOT/crates/nigig-core/src/imap_client.rs"
)
printf '\n=== per-file coverage ===\n' printf '\n=== per-file coverage ===\n'
"$LLVM_BIN/llvm-cov" report "$BIN" \ "$LLVM_BIN/llvm-cov" report "$BIN" \
-instr-profile="$WORK/coverage.profdata" \ -instr-profile="$WORK/coverage.profdata" \
-ignore-filename-regex="$IGNORE" \ -ignore-filename-regex="$IGNORE" \
"${EMAIL_FILES[@]}" | tee "$WORK/report.txt" "$ROOT/crates/nigig-core/src/email_account.rs" \
"$ROOT/crates/nigig-core/src/email_send.rs" \
"$ROOT/crates/nigig-core/src/email_store.rs" \
"$ROOT/crates/nigig-core/src/email_worker.rs" \
"$ROOT/crates/nigig-core/src/mail_backend.rs" \
"$ROOT/crates/nigig-core/src/mail_proxy.rs" \
"$ROOT/crates/nigig-core/src/secret.rs" | tee "$WORK/report.txt"
# Machine-readable totals, filtered to the email files. The export covers # Machine-readable totals, filtered to the seven email files. The export
# every file in the binary, so the floor is computed over exactly the files # covers every file in the binary, so the floor is computed over exactly
# this script reported on, matched by path suffix. # the files this script reported on, matched by path suffix.
"$LLVM_BIN/llvm-cov" export "$BIN" \ "$LLVM_BIN/llvm-cov" export "$BIN" \
-instr-profile="$WORK/coverage.profdata" \ -instr-profile="$WORK/coverage.profdata" \
-ignore-filename-regex="$IGNORE" > "$WORK/coverage.json" -ignore-filename-regex="$IGNORE" > "$WORK/coverage.json"
@ -162,9 +145,7 @@ with open(path) as fh:
data = json.load(fh) data = json.load(fh)
keep = ("email_account.rs", "email_send.rs", "email_store.rs", keep = ("email_account.rs", "email_send.rs", "email_store.rs",
"email_worker.rs", "mail_backend.rs", "mail_proxy.rs", "secret.rs", "email_worker.rs", "mail_backend.rs", "mail_proxy.rs", "secret.rs")
"email_pacing.rs", "credential_store.rs", "email_cache.rs",
"email_session.rs", "imap_client.rs")
files = [f for f in data["data"][0]["files"] files = [f for f in data["data"][0]["files"]
if f["filename"].endswith(keep)] if f["filename"].endswith(keep)]