support gzip (#507)

.github/workflows/linux_llvm_cov.yml

@@ -36,7 +36,7 @@ jobs:
           cd tests
           ./test_cinatra ./test_corofile
           llvm-profdata merge -sparse test_cinatra-*.profraw -o test_cinatra.profdata
-          llvm-cov show ./test_cinatra -instr-profile=test_cinatra.profdata -format=html -output-dir=../.coverage_llvm_cov -ignore-filename-regex="async_simple|thirdparty|tests|asio|util" -show-instantiations=false
+          llvm-cov show ./test_cinatra -instr-profile=test_cinatra.profdata -format=html -output-dir=../.coverage_llvm_cov -ignore-filename-regex="asio|cmdline|async_simple|tests" -show-instantiations=false
           echo "Done!"
 
       - name: Upload Coverage Results
@@ -51,7 +51,7 @@ jobs:
           echo "Code Coverage Report" > tmp.log
           echo "for detail, [goto summary](https://github.com/${{ github.repository_owner }}/${{ github.event.repository.name }}/actions/runs/${{github.run_id}}) download Artifacts `llvm-cov`" >> tmp.log
           echo "\`\`\`" >> tmp.log
-          llvm-cov report ./test_cinatra -instr-profile=test_cinatra.profdata -ignore-filename-regex="thirdparty|tests" -show-region-summary=false >> tmp.log
+          llvm-cov report ./test_cinatra -instr-profile=test_cinatra.profdata -ignore-filename-regex="asio|cmdline|async_simple|tests" -show-region-summary=false >> tmp.log
           echo "\`\`\`" >> tmp.log
 
       - name: Create Comment

include/cinatra/coro_http_client.hpp

@@ -246,7 +246,7 @@ class coro_http_client : public std::enable_shared_from_this<coro_http_client> {
     return true;
   }
 
-  [[nodiscard]] bool init_ssl(int verify_mode = asio::ssl::verify_peer,
+  [[nodiscard]] bool init_ssl(int verify_mode = asio::ssl::verify_none,
                               std::string full_path = "",
                               const std::string &sni_hostname = "") {
     std::string base_path;

include/cinatra/coro_http_response.hpp

@@ -12,6 +12,9 @@
 #include "async_simple/coro/SyncAwait.h"
 #include "cookie.hpp"
 #include "define.h"
+#ifdef CINATRA_ENABLE_GZIP
+#include "gzip.hpp"
+#endif
 #include "response_cv.hpp"
 #include "time_util.hpp"
 #include "utils.hpp"
@@ -46,9 +49,29 @@ class coro_http_response {
     content_ = std::move(content);
     has_set_content_ = true;
   }
-  void set_status_and_content(status_type status, std::string content = "") {
+  void set_status_and_content(
+      status_type status, std::string content = "",
+      content_encoding encoding = content_encoding::none) {
     status_ = status;
-    content_ = std::move(content);
+#ifdef CINATRA_ENABLE_GZIP
+    if (encoding == content_encoding::gzip) {
+      std::string encode_str;
+      bool r = gzip_codec::compress(
+          std::string_view(content.data(), content.length()), encode_str, true);
+      if (!r) {
+        set_status_and_content(status_type::internal_server_error,
+                               "gzip compress error");
+      }
+      else {
+        add_header("Content-Encoding", "gzip");
+        set_content(std::move(encode_str));
+      }
+    }
+    else
+#endif
+    {
+      content_ = std::move(content);
+    }
     has_set_content_ = true;
   }
   void set_delay(bool r) { delay_ = r; }

tests/test_cinatra.cpp

@@ -24,12 +24,10 @@ using namespace std::chrono_literals;
 using namespace cinatra;
 
 #ifdef CINATRA_ENABLE_GZIP
-std::string_view get_header_value(
-    std::vector<std::pair<std::string, std::string>> &resp_headers,
-    std::string_view key) {
-  for (const auto &p : resp_headers) {
-    if (p.first == key)
-      return std::string_view(p.second.data(), p.second.size());
+std::string_view get_header_value(auto &resp_headers, std::string_view key) {
+  for (const auto &[k, v] : resp_headers) {
+    if (k == key)
+      return v;
   }
   return {};
 }
@@ -40,7 +38,7 @@ TEST_CASE("test for gzip") {
       "/gzip", [](coro_http_request &req, coro_http_response &res) {
         CHECK(req.get_header_value("Content-Encoding") == "gzip");
         res.set_status_and_content(status_type::ok, "hello world",
-                                   req_content_type::none);  // TODO
+                                   content_encoding::gzip);
       });
   server.async_start();