From b16de242e0f1560c42d14b71dccc0858d70643ec Mon Sep 17 00:00:00 2001
From: lassulus <lassulus@lassul.us>
Date: Wed, 10 Aug 2022 14:40:50 +0200
Subject: l paste: add /form endpoint for form posts

---
 lass/2configs/paste.nix | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

(limited to 'lass/2configs')

diff --git a/lass/2configs/paste.nix b/lass/2configs/paste.nix
index affc35307..101899e94 100644
--- a/lass/2configs/paste.nix
+++ b/lass/2configs/paste.nix
@@ -61,6 +61,11 @@ with import <stockholm/lib>;
       proxy_set_header X-Forwarded-Proto $scheme;
       proxy_pass http://127.0.0.1:${toString config.krebs.htgen.paste.port};
     '';
+    locations."/form".extraConfig = ''
+      client_max_body_size 4G;
+      proxy_set_header Host $host;
+      proxy_pass http://127.0.0.1:${toString config.krebs.htgen.paste-form.port};
+    '';
     locations."/image".extraConfig = ''
       proxy_set_header Host $host;
       proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
@@ -86,6 +91,33 @@ with import <stockholm/lib>;
       ". ${pkgs.htgen}/examples/paste"
     ];
   };
+
+  krebs.htgen.paste-form = {
+    port = 7770;
+    script = /* sh */ ''
+      export PATH=${makeBinPath [
+        pkgs.curl
+        pkgs.gnused
+      ]}:$PATH
+      (. ${pkgs.writeScript "paste-form" ''
+        case "$Method" in
+          'POST')
+            ref=$(head -c $req_content_length | sed '0,/^\r$/d;$d' | curl -fSs --data-binary @- https://p.krebsco.de | sed '1d;s/^http:/https:/')
+
+            printf 'HTTP/1.1 200 OK\r\n'
+            printf 'Content-Type: text/plain; charset=UTF-8\r\n'
+            printf 'Server: %s\r\n' "$Server"
+            printf 'Connection: close\r\n'
+            printf 'Content-Length: %d\r\n' $(expr ''${#ref} + 1)
+            printf '\r\n'
+            printf '%s\n' "$ref"
+
+            exit
+          ;;
+        esac
+      ''})
+    '';
+  };
   krebs.htgen.imgur = {
     port = 7771;
     script = /* sh */ ''
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