From 53b4bf9818d1583a1e4558700dddc02658fd0878 Mon Sep 17 00:00:00 2001
From: Francois Kritzinger <francois@codesynthesis.com>
Date: Fri, 1 Mar 2024 14:10:32 +0200
Subject: Post-review changes

---
 mod/hmac.cxx          |  4 ++--
 mod/hmac.hxx          |  2 +-
 mod/mod-ci-github.cxx | 22 ++++------------------
 3 files changed, 7 insertions(+), 21 deletions(-)

diff --git a/mod/hmac.cxx b/mod/hmac.cxx
index 83a78bd..1a78b4c 100644
--- a/mod/hmac.cxx
+++ b/mod/hmac.cxx
@@ -7,7 +7,7 @@ using namespace butl;
 
 string brep::
 compute_hmac (const options::openssl_options& o,
-              const vector<char>& m,
+              const void* m, size_t l,
               const char* k)
 {
   try
@@ -45,7 +45,7 @@ compute_hmac (const options::openssl_options& o,
 
       // Write the message to openssl's input.
       //
-      out.write (m.data (), m.size ());
+      out.write (static_cast<const char*> (m), l);
       out.close ();
 
       // Read the HMAC value from openssl's output.
diff --git a/mod/hmac.hxx b/mod/hmac.hxx
index 0f70b7e..586d0e8 100644
--- a/mod/hmac.hxx
+++ b/mod/hmac.hxx
@@ -22,7 +22,7 @@ namespace brep
   //
   string
   compute_hmac (const options::openssl_options&,
-                const vector<char>& message,
+                const void* message, size_t len,
                 const char* key);
 }
 
diff --git a/mod/mod-ci-github.cxx b/mod/mod-ci-github.cxx
index 2473ba0..c4aaec1 100644
--- a/mod/mod-ci-github.cxx
+++ b/mod/mod-ci-github.cxx
@@ -153,7 +153,7 @@ namespace brep
     // from the stream twice works out to be more complicated (see also @@
     // TODO item in web/server/module.hxx).
     //
-    vector<char> body; // Change to string, use getline('\0')
+    string body;
     {
       // Note that even though we may not need caching right now, we may later
       // (e.g., to support cancel) so let's just enable it right away.
@@ -162,23 +162,9 @@ namespace brep
 
       istream& is (rq.content (limit, limit));
 
-      // Note that istream::read() sets failbit if unable to read the
-      // requested number of bytes.
-      //
-      is.exceptions (istream::badbit);
-
       try
       {
-        size_t n (0); // Total bytes read.
-
-        while (!eof (is))
-        {
-          body.resize (n + 8192);
-          is.read (body.data () + n, 8192);
-          n += is.gcount ();
-        }
-
-        body.resize (n);
+        getline (is, body, '\0');
       }
       catch (const io_error& e)
       {
@@ -195,10 +181,10 @@ namespace brep
     {
       string h (
         compute_hmac (*options_,
-                      body,
+                      body.data (), body.size (),
                       options_->ci_github_app_webhook_secret ().c_str ()));
 
-      if (!icasecmp (hmac, r_hmac))
+      if (!icasecmp (h, hmac))
       {
         string m ("computed HMAC does not match received HMAC");
 
-- 
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