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paste: add upload page, fix trailing CRLF in form uploads
author
lassulus
date
(Sep 30, 2026, 4:05 PM CEST)
commit
6c1203d5
6c1203d5002919ca8bd653da3ae75eefb091c229
parent
bdfc1424
bdfc14240ffde45b56c55978899b7e24adf459de
+31
-1
+31
-1
2configs/paste.nix
+31
-1
2configs/paste.nix
···
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...
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}:
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let
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uploadPage = pkgs.writeText "paste-upload.html" ''
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<!doctype html>
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<title>p.krebsco.de</title>
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<form action="/form" method="post" enctype="multipart/form-data">
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<input type="file" name="file" required>
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<button>upload</button>
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</form>
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<p>or with curl:</p>
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<pre>
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curl --data-binary @file https://p.krebsco.de
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some-command | curl --data-binary @- https://p.krebsco.de
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</pre>
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'';
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in
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{
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imports = [
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{
···
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if ($request_method = 'OPTIONS') {
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return 204;
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}
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if ($request_method ~ ^(GET|HEAD)$) {
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rewrite ^/$ /_upload last;
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}
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client_max_body_size 4G;
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proxy_set_header Host $host;
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proxy_set_header X-Forwarded-Proto $scheme;
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proxy_pass http://127.0.0.1:${toString config.krebs.htgen.paste.port};
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'';
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locations."= /_upload".extraConfig = ''
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internal;
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default_type text/html;
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alias ${uploadPage};
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'';
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locations."/form".extraConfig = ''
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client_max_body_size 4G;
···
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(. ${pkgs.writeScript "paste-form" ''
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case "$Method" in
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'POST')
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ref=$(head -c $req_content_length | sed '0,/^\r$/d;$d' | curl -fSs --data-binary @- https://p.krebsco.de | sed '1d;s/^http:/https:/')
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# multipart body: part headers up to the first empty line, then the
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# file, then "\r\n--$boundary--\r\n" (length of boundary + 8 bytes)
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boundary=''${req_content_type-}
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boundary=''${boundary#*boundary=}
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boundary=''${boundary%%;*}
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boundary=''${boundary#\"}
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boundary=''${boundary%\"}
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ref=$(head -c $req_content_length | sed '0,/^\r$/d' | head -c -$(expr ''${#boundary} + 8) | curl -fSs --data-binary @- https://p.krebsco.de | sed '1d;s/^http:/https:/')
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printf 'HTTP/1.1 200 OK\r\n'
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printf 'Content-Type: text/plain; charset=UTF-8\r\n'