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git://git.psyced.org/git/psyced
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allow generic http body
This commit is contained in:
psyc://psyced.org/~lynX
parent
7b2931d8ee
commit
ae4599ac1d
1 changed files with 108 additions and 83 deletions
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@ -8,73 +8,122 @@
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#include "header.i"
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volatile string url, qs, prot, method, body = "";
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volatile string url, qs, prot, method, body;
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volatile mixed item;
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volatile mapping headers;
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volatile int length;
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// we're using #'closures to point to the functions we're giving the
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// next_input_to(). as i don't want to restructure the whole file, i need
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// to predefine some functions.
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//
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// quite stupid indeed, as they don't got any modifiers or whatever :)
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parse_request(input);
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parse_header(input);
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parse_body(input);
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devNull();
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qScheme() { return "html"; }
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quit() {
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D2(D("««« HTTP done.\n");)
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destruct(ME);
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}
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timeout() {
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if (method == "post" && stringp(body) && strlen(body))
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body(); // try using incomplete post
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else quit();
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}
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logon() {
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D2(D("»»» HTTP request:\n");)
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// bigger buffer (for psyc logo)
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set_buffer_size(32768);
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// unfortunately limited to a compilation limit
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// so we would have to push large files in chunks
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// using heart_beat() or something like that TODO
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next_input_to(#'parse_request);
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call_out(#'timeout, 23);
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}
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disconnected(remainder) {
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// TODO: shouldn't ignore remainder
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D2(D("««« HTTP got disconnected.\n");)
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destruct(ME);
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return 1; // expected death of socket
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}
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// gets called from async apps
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done() { quit(); }
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parse_wait(null) { // waiting to send my error message here
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if (null == "") {
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http_error("HTTP/1.0", 405, "Invalid Request (Welcome Proxyscanner)");
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// this could be improved to implement HTTP/1.1
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parse_nothing(input) {
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P2(("=== HTTP ignored %O from %s\n", input, query_ip_name(ME)))
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next_input_to(#'parse_nothing);
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}
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parse_body_length(input) {
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//P4(("parse_body_length(%O)\n", input))
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body += input;
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if (strlen(body) >= length) {
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process();
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next_input_to(#'parse_nothing);
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} else
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input_to(#'parse_body_length, INPUT_IGNORE_BANG
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| INPUT_CHARMODE | INPUT_NO_TELNET);
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}
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parse_body_url(input) {
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qs = input;
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if (method == "post") method = "get"; // call htget() anyway
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process();
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next_input_to(#'parse_nothing);
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}
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parse_body_raw(input) {
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body += input;
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next_input_to(#'parse_body_raw);
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// this loop terminates with TCP disconnected()
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}
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disconnected(remainder) {
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D2(D("««« HTTP got disconnected.\n");)
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if (stringp(remainder)) {
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body += remainder;
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process();
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call_out(#'quit, 333);
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} else quit();
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return 1; // expected death of socket
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}
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timeout() {
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// try using incomplete post
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if (stringp(body) && strlen(body)) process();
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quit();
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}
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next_input_to(#'parse_wait);
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}
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parse_wait(null) { // waiting to send my error message here
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if (null == "") {
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http_error("HTTP/1.0", 405,
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"Invalid Request (Hello Proxyscanner)");
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quit();
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}
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// why wait? we can throw the message on the socket and kill it
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next_input_to(#'parse_wait);
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}
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parse_header(input) {
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if (input != "") {
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string name, contents;
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// %.0t = catch zero to endless whitespace characters
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sscanf(input, "%s:%1.0t%s", name, contents);
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if (contents) {
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P3(("headers[%O] = %O\n",name,contents))
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headers[lower_case(name)] = contents;
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} else {
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// http_error(prot, R_BADREQUEST,
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// "invalid header '"+ input +"'");
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// QUIT; return 1;
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P1(("Invalid HTTP header %O from %s\n",
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input, query_ip_name(ME)))
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}
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next_input_to(#'parse_header);
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return;
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}
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#if 0
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if (method == "post" && (length = to_int(headers["content-length"])) &&
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headers["content-type"] == "application/x-www-form-urlencoded")
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#else
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if (length = to_int(headers["content-length"]))
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#endif
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{
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input_to(#'parse_body_length,
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INPUT_IGNORE_BANG | INPUT_CHARMODE | INPUT_NO_TELNET);
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} else if (headers["content-type"] ==
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"application/x-www-form-urlencoded") {
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next_input_to(#'parse_body_url);
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} else if (method == "post" || method == "put") {
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next_input_to(#'parse_body_raw);
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} else {
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process();
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}
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}
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parse_request(input) {
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// reset state. in case we support HTTP/1.1. do we?
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method = item = url = prot = body = qs = 0;
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headers = ([]);
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P2(("=== HTTP got: %O from %s\n", input, query_ip_name(ME)))
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// reset state. in case we support HTTP/1.1. do we?
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method = item = url = prot = qs = 0;
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headers = ([]);
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body = "";
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if (!input || input=="") {
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// should return error?
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input_to(#'parse_request); // lets just ignore the empty line
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input_to(#'parse_request);
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// lets just ignore the empty line
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return 1;
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}
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input = explode(input, " ");
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@ -101,37 +150,6 @@ parse_request(input) {
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else next_input_to(#'parse_header);
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}
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parse_header(input) {
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string key, val;
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P4(("parse_header(%O)\n", input))
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unless (input == "") {
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if (sscanf(input, "%s:%1.0t%s", key, val)) {
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headers[lower_case(key)] = val;
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}
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next_input_to(#'parse_header);
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} else {
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if (method == "POST" && (length = to_int(headers["content-length"])) &&
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headers["content-type"] == "application/x-www-form-urlencoded") {
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input_to(#'parse_body, INPUT_IGNORE_BANG | INPUT_CHARMODE | INPUT_NO_TELNET);
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} else {
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process();
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next_input_to(#'devNull);
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}
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}
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}
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parse_body(input) {
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//P4(("parse_body(%O)\n", input))
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body += input;
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if (strlen(body) == length)
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process();
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else
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input_to(#'parse_body, INPUT_IGNORE_BANG | INPUT_CHARMODE | INPUT_NO_TELNET);
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}
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process() {
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string t, ext;
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mapping query = ([]);
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@ -169,7 +187,7 @@ process() {
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P3(("got query: %O\n", qs))
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query = url_parse_query(query, qs);
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}
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if (method == "POST" && headers["content-type"] == "application/x-www-form-urlencoded") {
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if (method == "post" && headers["content-type"] == "application/x-www-form-urlencoded") {
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query = url_parse_query(query, body);
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}
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P4(("parsed query: %O\n", query))
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@ -282,11 +300,18 @@ case "/oauth":
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return 1;
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}
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// wozu binary_message nochmal durch eine funktion jagen? lieber so nennen:
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emit(a) { return binary_message(a); }
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devNull() {
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next_input_to(#'devNull);
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logon() {
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D2(D("»»» HTTP request:\n");)
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D2(D("=== HTTP just ignored some input\n");)
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// bigger buffer (for psyc logo)
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set_buffer_size(32768);
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// unfortunately limited to a compilation limit
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// so we would have to push large files in chunks
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// using heart_beat() or something like that TODO
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next_input_to(#'parse_request);
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call_out(#'timeout, 23);
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}
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