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Refactor CSRF tokens (using format in #473)

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This commit is contained in:
Omar Roth 2019-04-15 23:23:40 -05:00
parent 698dfca319
commit 26168a9520
12 changed files with 323 additions and 307 deletions
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175
src/invidious.cr
View file

@ -195,39 +195,33 @@ before_all do |env|
end
if env.request.cookies.has_key? "SID"
headers = HTTP::Headers.new
headers["Cookie"] = env.request.headers["Cookie"]
sid = env.request.cookies["SID"].value
# Invidious users only have SID
if !env.request.cookies.has_key? "SSID"
email = PG_DB.query_one?("SELECT email FROM session_ids WHERE id = $1", sid, as: String)
if email
if email = PG_DB.query_one?("SELECT email FROM session_ids WHERE id = $1", sid, as: String)
user = PG_DB.query_one("SELECT * FROM users WHERE email = $1", email, as: User)
challenge, token = create_response(user.email, "sign_out", HMAC_KEY, PG_DB, 1.week)
env.set "challenge", challenge
env.set "token", token
token = create_response(sid, {"signout", "watch_ajax", "subscription_ajax"}, HMAC_KEY, PG_DB, 1.week)
preferences = user.preferences
env.set "user", user
env.set "sid", sid
env.set "token", token
env.set "user", user
end
else
headers = HTTP::Headers.new
headers["Cookie"] = env.request.headers["Cookie"]
begin
user, sid = get_user(sid, headers, PG_DB, false)
challenge, token = create_response(user.email, "sign_out", HMAC_KEY, PG_DB, 1.week)
env.set "challenge", challenge
env.set "token", token
token = create_response(sid, {"signout", "watch_ajax", "subscription_ajax"}, HMAC_KEY, PG_DB, 1.week)
preferences = user.preferences
env.set "user", user
env.set "sid", sid
env.set "token", token
env.set "user", user
rescue ex
end
end
@ -826,7 +820,7 @@ post "/login" do |env|
when "google"
tfa_code = env.params.body["tfa"]?.try &.lchop("G-")
# See https://github.com/rg3/youtube-dl/blob/master/youtube_dl/extractor/youtube.py#L79
# See https://github.com/ytdl-org/youtube-dl/blob/2019.04.07/youtube_dl/extractor/youtube.py#L82
begin
client = make_client(LOGIN_URL)
headers = HTTP::Headers.new
@ -1091,8 +1085,7 @@ post "/login" do |env|
next templated "login"
end
challenges = env.params.body.select { |k, v| k.match(/^challenge\[\d+\]$/) }
tokens = env.params.body.select { |k, v| k.match(/^token\[\d+\]$/) }
tokens = env.params.body.select { |k, v| k.match(/^token\[\d+\]$/) }.map { |k, v| v }
answer ||= ""
captcha_type ||= "image"
@ -1102,11 +1095,8 @@ post "/login" do |env|
answer = answer.lstrip('0')
answer = OpenSSL::HMAC.hexdigest(:sha256, HMAC_KEY, answer)
challenge = env.params.body["challenge[0]"]?
token = env.params.body["token[0]"]?
begin
validate_response(challenge, token, answer, "sign_in", HMAC_KEY, PG_DB, locale)
validate_response(tokens[0], answer, env.request.path, HMAC_KEY, PG_DB, locale)
rescue ex
error_message = ex.message
next templated "error"
@ -1117,11 +1107,9 @@ post "/login" do |env|
found_valid_captcha = false
error_message = translate(locale, "Invalid CAPTCHA")
challenges.each_with_index do |challenge, i|
tokens.each_with_index do |token, i|
begin
challenge = challenge[1]
token = tokens[i][1]
validate_response(challenge, token, answer, "sign_in", HMAC_KEY, PG_DB, locale)
validate_response(token, answer, env.request.path, HMAC_KEY, PG_DB, locale)
found_valid_captcha = true
rescue ex
error_message = ex.message
@ -1191,27 +1179,25 @@ post "/login" do |env|
end
end
get "/signout" do |env|
post "/signout" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
user = env.get? "user"
sid = env.get? "sid"
referer = get_referer(env)
if user
user = user.as(User)
challenge = env.params.query["challenge"]?
token = env.params.query["token"]?
sid = sid.as(String)
token = env.params.body["token"]?
begin
validate_response(challenge, token, user.email, "sign_out", HMAC_KEY, PG_DB, locale)
validate_response(token, sid, env.request.path, HMAC_KEY, PG_DB, locale)
rescue ex
error_message = ex.message
next templated "error"
end
user = env.get("user").as(User)
sid = env.get("sid").as(String)
PG_DB.exec("DELETE FROM session_ids * WHERE id = $1", sid)
env.request.cookies.each do |cookie|
@ -1426,55 +1412,62 @@ get "/toggle_theme" do |env|
env.redirect referer
end
get "/mark_watched" do |env|
post "/watch_ajax" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
user = env.get? "user"
sid = env.get? "sid"
referer = get_referer(env, "/feed/subscriptions")
redirect = env.params.query["redirect"]?
redirect ||= "true"
redirect = redirect == "true"
if !user
next env.redirect referer
end
user = user.as(User)
sid = sid.as(String)
token = env.params.body["token"]?
id = env.params.query["id"]?
if !id
env.response.status_code = 400
next
end
redirect = env.params.query["redirect"]?
redirect ||= "false"
redirect = redirect == "true"
if user
user = user.as(User)
sid = sid.as(String)
token = env.params.body["token"]?
begin
validate_response(token, sid, env.request.path, HMAC_KEY, PG_DB, locale)
rescue ex
if redirect
error_message = ex.message
next templated "error"
else
error_message = {"error" => ex.message}.to_json
env.response.status_code = 500
next error_message
end
end
if env.params.query["action_mark_watched"]?
action = "action_mark_watched"
elsif env.params.query["action_mark_unwatched"]?
action = "action_mark_unwatched"
else
next env.redirect referer
end
case action
when "action_mark_watched"
if !user.watched.includes? id
PG_DB.exec("UPDATE users SET watched = watched || $1 WHERE email = $2", [id], user.email)
end
end
if redirect
env.redirect referer
else
env.response.content_type = "application/json"
"{}"
end
end
get "/mark_unwatched" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
user = env.get? "user"
referer = get_referer(env, "/feed/history")
id = env.params.query["id"]?
if !id
env.response.status_code = 400
next
end
redirect = env.params.query["redirect"]?
redirect ||= "false"
redirect = redirect == "true"
if user
user = user.as(User)
when "action_mark_unwatched"
PG_DB.exec("UPDATE users SET watched = array_remove(watched, $1) WHERE email = $2", id, user.email)
end
@ -1561,8 +1554,7 @@ get "/modify_notifications" do |env|
end
end
# TODO: Add CSRF
get "/subscription_ajax" do |env|
post "/subscription_ajax" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
user = env.get? "user"
@ -1570,14 +1562,29 @@ get "/subscription_ajax" do |env|
referer = get_referer(env, "/")
redirect = env.params.query["redirect"]?
redirect ||= "false"
redirect ||= "true"
redirect = redirect == "true"
if !user && !sid
if !user
next env.redirect referer
end
user = user.as(User)
sid = sid.as(String)
token = env.params.body["token"]?
begin
validate_response(token, sid, env.request.path, HMAC_KEY, PG_DB, locale)
rescue ex
if redirect
error_message = ex.message
next templated "error"
else
error_message = {"error" => ex.message}.to_json
env.response.status_code = 500
next error_message
end
end
if env.params.query["action_create_subscription_to_channel"]?
action = "action_create_subscription_to_channel"
@ -1653,7 +1660,7 @@ get "/subscription_manager" do |env|
user = env.get? "user"
sid = env.get? "sid"
referer = get_referer(env, "/")
referer = get_referer(env, "/subscription_manager")
if !user && !sid
next env.redirect referer
@ -1843,12 +1850,13 @@ get "/delete_account" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
user = env.get? "user"
sid = env.get? "sid"
referer = get_referer(env)
if user
user = user.as(User)
challenge, token = create_response(user.email, "delete_account", HMAC_KEY, PG_DB)
sid = sid.as(String)
token = create_response(sid, {"delete_account"}, HMAC_KEY, PG_DB)
templated "delete_account"
else
@ -1860,16 +1868,16 @@ post "/delete_account" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
user = env.get? "user"
sid = env.get? "sid"
referer = get_referer(env)
if user
user = user.as(User)
challenge = env.params.body["challenge"]?
sid = sid.as(String)
token = env.params.body["token"]?
begin
validate_response(challenge, token, user.email, "delete_account", HMAC_KEY, PG_DB, locale)
validate_response(token, sid, env.request.path, HMAC_KEY, PG_DB, locale)
rescue ex
error_message = ex.message
next templated "error"
@ -1893,12 +1901,13 @@ get "/clear_watch_history" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
user = env.get? "user"
sid = env.get? "sid"
referer = get_referer(env)
if user
user = user.as(User)
challenge, token = create_response(user.email, "clear_watch_history", HMAC_KEY, PG_DB)
sid = sid.as(String)
token = create_response(sid, {"clear_watch_history"}, HMAC_KEY, PG_DB)
templated "clear_watch_history"
else
@ -1910,16 +1919,16 @@ post "/clear_watch_history" do |env|
locale = LOCALES[env.get("preferences").as(Preferences).locale]?
user = env.get? "user"
sid = env.get? "sid"
referer = get_referer(env)
if user
user = user.as(User)
challenge = env.params.body["challenge"]?
sid = sid.as(String)
token = env.params.body["token"]?
begin
validate_response(challenge, token, user.email, "clear_watch_history", HMAC_KEY, PG_DB, locale)
validate_response(token, sid, env.request.path, HMAC_KEY, PG_DB, locale)
rescue ex
error_message = ex.message
next templated "error"

75
src/invidious/users.cr
View file

@ -197,84 +197,79 @@ def create_user(sid, email, password)
return user, sid
end
def create_response(user_id, operation, key, db, expire = 6.hours)
def create_response(session, scopes, key, db, expire = 6.hours, use_nonce = false)
expire = Time.now + expire
token = {
"session" => session,
"expire" => expire.to_unix,
"scopes" => scopes,
}
if use_nonce
nonce = Random::Secure.hex(16)
db.exec("INSERT INTO nonces VALUES ($1, $2) ON CONFLICT DO NOTHING", nonce, expire)
token["nonce"] = nonce
end
challenge = "#{expire.to_unix}-#{nonce}-#{user_id}-#{operation}"
token = OpenSSL::HMAC.digest(:sha256, key, challenge)
token["signature"] = sign_token(key, token)
challenge = Base64.urlsafe_encode(challenge)
token = Base64.urlsafe_encode(token)
return challenge, token
return token.to_json
end
def sign_token(key, hash)
string_to_sign = [] of String
hash.each do |key, value|
if key == "signature"
next
end
if value.is_a?(JSON::Any)
case value
when .as_a?
value = value.as_a.map { |item| item.as_s }
end
end
case value
when Array
string_to_sign << "#{key}=#{value.sort.join(",")}"
when Tuple
string_to_sign << "#{key}=#{value.to_a.sort.join(",")}"
else
string_to_sign << "#{key}=#{value}"
end
end
string_to_sign = string_to_sign.sort.join("\n")
return Base64.encode(OpenSSL::HMAC.digest(:sha256, key, string_to_sign)).strip
end
def validate_response(challenge, token, user_id, operation, key, db, locale)
if !challenge
raise translate(locale, "Hidden field \"challenge\" is a required field")
return Base64.urlsafe_encode(OpenSSL::HMAC.digest(:sha256, key, string_to_sign)).strip
end
def validate_response(token, session, scope, key, db, locale)
if !token
raise translate(locale, "Hidden field \"token\" is a required field")
end
challenge = Base64.decode_string(challenge)
if challenge.split("-").size == 4
expire, nonce, challenge_user_id, challenge_operation = challenge.split("-")
token = JSON.parse(URI.unescape(token)).as_h
expire = expire.to_i?
expire ||= 0
else
raise translate(locale, "Invalid challenge")
if token["signature"]? != sign_token(key, token)
raise translate(locale, "Invalid token")
end
challenge = OpenSSL::HMAC.digest(:sha256, key, challenge)
challenge = Base64.urlsafe_encode(challenge)
if nonce = db.query_one?("SELECT * FROM nonces WHERE nonce = $1", nonce, as: {String, Time})
if token["nonce"]? && (nonce = db.query_one?("SELECT * FROM nonces WHERE nonce = $1", token["nonce"], as: {String, Time}))
if nonce[1] > Time.now
db.exec("UPDATE nonces SET expire = $1 WHERE nonce = $2", Time.new(1990, 1, 1), nonce[0])
else
raise translate(locale, "Invalid token")
end
else
end
if !token["scopes"].as_a.includes? scope.strip("/")
raise translate(locale, "Invalid token")
end
if challenge != token
raise translate(locale, "Invalid token")
end
if challenge_operation != operation
raise translate(locale, "Invalid token")
end
if challenge_user_id != user_id
raise translate(locale, "Invalid token")
end
if expire < Time.now.to_unix
if token["expire"].as_i < Time.now.to_unix
raise translate(locale, "Token is expired, please try again")
end
end
@ -331,7 +326,7 @@ def generate_captcha(key, db)
return {
question: image,
tokens: [create_response(answer, "sign_in", key, db)],
tokens: {create_response(answer, {"login"}, key, db, use_nonce: true)},
}
end
@ -340,7 +335,7 @@ def generate_text_captcha(key, db)
response = JSON.parse(response)
tokens = response["a"].as_a.map do |answer|
create_response(answer.as_s, "sign_in", key, db)
create_response(answer.as_s, {"login"}, key, db, use_nonce: true)
end
return {

3
src/invidious/views/clear_watch_history.ecr
View file

@ -19,7 +19,6 @@
</div>
</div>
<input type="hidden" name="token" value="<%= token %>">
<input type="hidden" name="challenge" value="<%= challenge %>">
<input type="hidden" name="token" value="<%= URI.escape(token) %>">
</form>
</div>

10
src/invidious/views/components/item.ecr
View file

@ -85,17 +85,19 @@
<div class="thumbnail">
<img class="thumbnail" src="/vi/<%= item.id %>/mqdefault.jpg"/>
<% if env.get? "show_watched" %>
<form onsubmit="return false;" action="/watch_ajax?action_mark_watched=1&id=<%= item.id %>&referer=<%= env.get("current_page") %>" method="post">
<input type="hidden" name="token" value="<%= URI.escape(env.get?("token").try &.as(String) || "") %>">
<p class="watched">
<a onclick="mark_watched(this)"
data-id="<%= item.id %>"
onmouseenter='this["href"]="javascript:void(0)"'
href="/mark_watched?id=<%= item.id %>">
<a onclick="mark_watched(this)" data-id="<%= item.id %>" href="#">
<button type="submit" style="all:unset">
<i onmouseenter='this.setAttribute("class", "icon ion-ios-eye-off")'
onmouseleave='this.setAttribute("class", "icon ion-ios-eye")'
class="icon ion-ios-eye">
</i>
</button>
</a>
</p>
</form>
<% end %>
<% if item.responds_to?(:live_now) && item.live_now %>
<p class="length"><i class="icon ion-ios-play-circle"></i> <%= translate(locale, "LIVE") %></p>

16
src/invidious/views/components/subscribe_widget.ecr
View file

@ -1,17 +1,21 @@
<% if user %>
<% if subscriptions.includes? ucid %>
<p>
<a id="subscribe" onclick="unsubscribe()" class="pure-button pure-button-primary"
href="/subscription_ajax?action_remove_subscriptions=1&c=<%= ucid %>&referer=<%= env.get("current_page") %>">
<b><%= translate(locale, "Unsubscribe") %> | <%= sub_count_text %></b>
<form onsubmit="return false;" action="/subscription_ajax?action_remove_subscriptions=1&c=<%= ucid %>&referer=<%= env.get("current_page") %>" method="post">
<input type="hidden" name="token" value="<%= URI.escape(env.get?("token").try &.as(String) || "") %>">
<a id="subscribe" onclick="unsubscribe()" class="pure-button pure-button-primary" href="#">
<b><input style="all:unset" type="submit" value="<%= translate(locale, "Unsubscribe") %> | <%= sub_count_text %>"></b>
</a>
</form>
</p>
<% else %>
<p>
<a id="subscribe" onclick="subscribe()" class="pure-button pure-button-primary"
href="/subscription_ajax?action_create_subscription_to_channel=1&c=<%= ucid %>&referer=<%= env.get("current_page") %>">
<b><%= translate(locale, "Subscribe") %> | <%= sub_count_text %></b>
<form onsubmit="return false;" action="/subscription_ajax?action_create_subscription_to_channel=1&c=<%= ucid %>&referer=<%= env.get("current_page") %>" method="post">
<input type="hidden" name="token" value="<%= URI.escape(env.get?("token").try &.as(String) || "") %>">
<a id="subscribe" onclick="subscribe()" class="pure-button pure-button-primary" href="#">
<b><input style="all:unset" type="submit" value="<%= translate(locale, "Subscribe") %> | <%= sub_count_text %>"></b>
</a>
</form>
</p>
<% end %>
<% else %>

10
src/invidious/views/components/subscribe_widget_script.ecr
View file

@ -15,8 +15,9 @@ function subscribe(timeouts = 0) {
var xhr = new XMLHttpRequest();
xhr.responseType = "json";
xhr.timeout = 20000;
xhr.open("GET", url, true);
xhr.send();
xhr.open("POST", url, true);
xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
xhr.send("token=<%= URI.escape(env.get?("token").try &.as(String) || "") %>");
var fallback = subscribe_button.innerHTML;
subscribe_button.onclick = unsubscribe;
@ -50,8 +51,9 @@ function unsubscribe(timeouts = 0) {
var xhr = new XMLHttpRequest();
xhr.responseType = "json";
xhr.timeout = 20000;
xhr.open("GET", url, true);
xhr.send();
xhr.open("POST", url, true);
xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
xhr.send("token=<%= URI.escape(env.get?("token").try &.as(String) || "") %>");
var fallback = subscribe_button.innerHTML;
subscribe_button.onclick = subscribe;

3
src/invidious/views/delete_account.ecr
View file

@ -19,7 +19,6 @@
</div>
</div>
<input type="hidden" name="token" value="<%= token %>">
<input type="hidden" name="challenge" value="<%= challenge %>">
<input type="hidden" name="token" value="<%= URI.escape(token) %>">
</form>
</div>

19
src/invidious/views/history.ecr
View file

@ -28,14 +28,16 @@
<% else %>
<div class="thumbnail">
<img class="thumbnail" src="/vi/<%= item %>/mqdefault.jpg"/>
<form onsubmit="return false;" action="/watch_ajax?action_mark_unwatched=1&id=<%= item %>&referer=<%= env.get("current_page") %>" method="post">
<input type="hidden" name="token" value="<%= URI.escape(env.get?("token").try &.as(String) || "") %>">
<p class="watched">
<a onclick="mark_unwatched(this)"
data-id="<%= item %>"
onmouseenter='this["href"]="javascript:void(0)"'
href="/mark_unwatched?id=<%= item %>">
<a onclick="mark_unwatched(this)" data-id="<%= item %>" href="#">
<button type="submit" style="all:unset">
<i class="icon ion-md-trash"></i>
</button>
</a>
</p>
</form>
</div>
<p></p>
<% end %>
@ -48,17 +50,18 @@
<script>
function mark_unwatched(target) {
var tile = target.parentNode.parentNode.parentNode.parentNode;
var tile = target.parentNode.parentNode.parentNode.parentNode.parentNode;
tile.style.display = "none";
var count = document.getElementById("count")
count.innerText = count.innerText - 1;
var url = "/mark_unwatched?redirect=false&id=" + target.getAttribute("data-id");
var url = "/watch_ajax?action_mark_unwatched=1&redirect=false&id=" + target.getAttribute("data-id");
var xhr = new XMLHttpRequest();
xhr.responseType = "json";
xhr.timeout = 20000;
xhr.open("GET", url, true);
xhr.send();
xhr.open("POST", url, true);
xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
xhr.send("token=<%= URI.escape(env.get?("token").try &.as(String) || "") %>");
xhr.onreadystatechange = function() {
if (xhr.readyState == 4) {

6
src/invidious/views/login.ecr
View file

@ -42,8 +42,7 @@
<% captcha = captcha.not_nil! %>
<img style="width:100%" src='<%= captcha[:question] %>'/>
<% captcha[:tokens].each_with_index do |token, i| %>
<input type="hidden" name="challenge[<%= i %>]" value="<%= token[0] %>">
<input type="hidden" name="token[<%= i %>]" value="<%= token[1] %>">
<input type="hidden" name="token[<%= i %>]" value="<%= URI.escape(token) %>">
<% end %>
<input type="hidden" name="captcha_type" value="image">
<label for="answer"><%= translate(locale, "Time (h:mm:ss):") %></label>
@ -51,8 +50,7 @@
<% when "text" %>
<% captcha = captcha.not_nil! %>
<% captcha[:tokens].each_with_index do |token, i| %>
<input type="hidden" name="challenge[<%= i %>]" value="<%= token[0] %>">
<input type="hidden" name="token[<%= i %>]" value="<%= token[1] %>">
<input type="hidden" name="token[<%= i %>]" value="<%= URI.escape(token) %>">
<% end %>
<input type="hidden" name="captcha_type" value="text">
<label for="answer"><%= captcha[:question] %></label>

19
src/invidious/views/subscription_manager.ecr
View file

@ -31,12 +31,12 @@
<div class="pure-u-2-5"></div>
<div class="pure-u-1-5" style="text-align: right;">
<h3 style="padding-right: 0.5em">
<a onclick="remove_subscription(this)"
data-id="<%= channel.id %>"
onmouseenter='this["href"]="javascript:void(0)"'
href="/subscription_ajax?action_remove_subscriptions=1&c=<%= channel.id %>">
<%= translate(locale, "unsubscribe") %>
<form onsubmit="return false;" action="/subscription_ajax?action_remove_subscriptions=1&c=<%= channel.id %>&referer=<%= env.get("current_page") %>" method="post">
<input type="hidden" name="token" value="<%= URI.escape(env.get?("token").try &.as(String) || "") %>">
<a onclick="remove_subscription(this)" data-ucid="<%= channel.id %>" href="#">
<input style="all:unset" type="submit" value="<%= translate(locale, "unsubscribe") %>">
</a>
</form>
</h3>
</div>
</div>
@ -49,17 +49,18 @@
<script>
function remove_subscription(target) {
var row = target.parentNode.parentNode.parentNode.parentNode;
var row = target.parentNode.parentNode.parentNode.parentNode.parentNode;
row.style.display = "none";
var count = document.getElementById("count")
count.innerText = count.innerText - 1;
var url = "/subscription_ajax?action_remove_subscriptions=1&redirect=false&c=" + target.getAttribute("data-id");
var url = "/subscription_ajax?action_remove_subscriptions=1&redirect=false&referer=<%= env.get("current_page") %>&c=" + target.getAttribute("data-ucid");
var xhr = new XMLHttpRequest();
xhr.responseType = "json";
xhr.timeout = 20000;
xhr.open("GET", url, true);
xhr.send();
xhr.open("POST", url, true);
xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
xhr.send("token=<%= URI.escape(env.get?("token").try &.as(String) || "") %>");
xhr.onreadystatechange = function() {
if (xhr.readyState == 4) {

9
src/invidious/views/subscriptions.ecr
View file

@ -53,15 +53,16 @@
<script>
function mark_watched(target) {
var tile = target.parentNode.parentNode.parentNode.parentNode;
var tile = target.parentNode.parentNode.parentNode.parentNode.parentNode;
tile.style.display = "none";
var url = "/mark_watched?redirect=false&id=" + target.getAttribute("data-id");
var url = "/watch_ajax?action_mark_watched=1&redirect=false&id=" + target.getAttribute("data-id");
var xhr = new XMLHttpRequest();
xhr.responseType = "json";
xhr.timeout = 20000;
xhr.open("GET", url, true);
xhr.send();
xhr.open("POST", url, true);
xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
xhr.send("token=<%= URI.escape(env.get?("token").try &.as(String) || "") %>");
xhr.onreadystatechange = function() {
if (xhr.readyState == 4) {

7
src/invidious/views/template.ecr
View file

@ -69,9 +69,12 @@
</a>
</div>
<div class="pure-u-1-4">
<a href="/signout?referer=<%= env.get?("current_page") %>&token=<%= env.get?("token") %>&challenge=<%= env.get?("challenge") %>" class="pure-menu-heading">
<%= translate(locale, "Sign out") %>
<form action="/signout?referer=<%= env.get?("current_page") %>" method="post">
<input type="hidden" name="token" value="<%= URI.escape(env.get?("token").try &.as(String) || "") %>">
<a class="pure-menu-heading" href="#">
<input style="all:unset" type="submit" value="<%= translate(locale, "Sign out") %>">
</a>
</form>
</div>
<% else %>
<div class="pure-u-1-3">