Support CURL based HTTP client #1182

franksinankaya · 2019-07-10T19:37:55Z

This is a curl based HTTP client that allows us to use custom SSL engines. Adaptation layer is a stripped down version of http_client_winhttp.cpp. WinHTTP functions (aka winhttppal) has been written from scratch against the MULTI curl interface.

While the current code is not complete, it is %95 functional.

1700 test pass
4 test failures

compression_tests:compress_client_server
connections_and_errors:server_close_without_responding
outside_tests:request_headers
progress_handler_tests:set_progress_handler_request_timeout

3 test not supported
outside_tests:server_hostname_host_override
outside_tests:server_hostname_host_override_after_upgrade
client_construction:ssl_context_callback_https

proxy and authentication tests not run.

reneme · 2019-07-11T13:18:44Z

That sounds like a cool extension of cpprestsdk. Particularly, because it might have the potential to replace the somewhat crude HTTP protocol implementation of http_client_asio.cpp.

A while ago we proposed a pull request to integrate the ASIO client with Botan to remove the dependency of OpenSSL (and SChannel/WinHTTP for that matter). At the time, this PR was actually meant as a draft and @garethsb-sony correctly noted that it might be time to rethink the HTTP/TLS backend architecture of cpprestsdk.

In case this pull request is meant in a similar way, we would be interested to join the discussion and potentially help to get our Botan backend upstream one or the other way. Currently we maintain it as a custom fork of cpprestsdk, but maybe it might be helpful for the community as well.

For the matter of ideas: Wrapping boost Beast under cpprestsdk would probably be a great addition as well.

franksinankaya · 2019-07-11T14:38:55Z

Thanks for the interest. We actually want to go to OpenSSL route using CURL as the http backend so that we can use our custom OpenSSL engine during HTTP negotiation.

Primary driving decision is to abstract the primary keys from the application for security reasons. Our investigation showed that this is not possible with boost ASIO or boost beast. We didn't have any concerns about the complexity involved in ASIO layer since we never looked at it.

CURL seems to be the right fit. It is small and scalable.

The only reason why we stacked curl on top of winhttp is because winhttp interface is well documented. We just had to emulate winhttp API just enough with CURL to get to functional state.

We could have written a curl only client but we see bigger interest in having a light WinHTTP layer on other applications. We are planning to post a winhttppal project in github in the future.

BillyONeal

This change needs associated changes to azure-pipelines.yaml to ensure tests are passing for this backend, and so that future maintenance doesn't regress its behavior.

I'm not a fan of now 3 layers of wrappers (cpprestsdk/curl-winhttp-wrapper/curl) in particular because the names the winhttp wrapper use conflict with the real winhttp function names, meaning the backend can't be compiled or used on Windows.

Release/CMakeLists.txt

BillyONeal · 2019-07-12T02:23:10Z

Release/include/cpprest/http_client.h

@@ -104,7 +104,7 @@ class http_client_config
 #if !defined(_WIN32) && !defined(__cplusplus_winrt) || defined(CPPREST_FORCE_HTTP_CLIENT_ASIO)
        , m_tlsext_sni_enabled(true)
 #endif
-#if defined(_WIN32) && !defined(__cplusplus_winrt)
+#if (defined(_WIN32) && !defined(__cplusplus_winrt)) || defined(CPPREST_FORCE_HTTP_CLIENT_CURL)


Hmmm I think with this we are moving to a place where the backend is not just a function of the platform, it's something someone might want to trigger from. We should probably change the build infrastructure to set CPPREST_FORCE_HTTP_CLIENT_Xxx where Xxx can be one of the backends, and remove all of this repeated platform testing (here (defined(_WIN32) && !defined(__cplusplus_winrt))) in the codebase.

That's not directly related to this review of course but I want to investigate doing that before merging this.

Release/src/CMakeLists.txt

Release/src/http/client/http_client_curl.cpp

Release/src/http/client/winhttppal/winhttppal.cpp

Release/src/http/client/http_client_curl.cpp

Release/src/http/client/winhttppal/winhttppal.cpp

Release/src/http/client/http_client_curl.cpp

franksinankaya · 2019-07-27T17:49:33Z

I believe I addressed all concerns in the review. Can you please take a look one more time?

barcharcraz · 2019-08-06T18:16:47Z

Release/src/http/client/winhttppal/winhttppal.cpp

+{
+    WinHttpBase *base = static_cast<WinHttpBase *>(hInternet);
+
+


what happens if "offers" is a tls version higher than the used libcurl understands? wouldn't this line cause curl to use a sslversion < what was offered?

That's true. Offered is not what is actually used. Upper level gives a list of options that the transport protocol can use. What actually gets used depends on the curl version.

If there is a complete mismatch in terms of capabilities, CURL will use the CURL_SSLVERSION_DEFAULT as a minimum and CURL_SSLVERSION_MAX_DEFAULT as a maximum.

These definitions come from the current curl library in use.

Are you interested in enforcing the offered as required?

BillyONeal · 2019-08-27T02:23:55Z

The only reason why we stacked curl on top of winhttp is because winhttp interface is well documented. We just had to emulate winhttp API just enough with CURL to get to functional state.

The time to merge things to master is not when they're 'enough to be in a functional state'. Pushing the merge button means that the owners of cpprestsdk are taking responsibility for maintaining and shipping the code in the PR, and we are not interested in maintaining a Curl-To-WinHTTP abstraction layer.

We could have written a curl only client but we see bigger interest in having a light WinHTTP layer on other applications. We are planning to post a winhttppal project in github in the future.

If you want to make this as a separate project and then point cpprestsdk to it as an external dependency, that would be far more acceptable. But it's failing some of the test cases for the actual WinHTTP implementation (e.g. handling of the Host: header), meaning this isn't actually meeting WinHTTP's contract somewhere.

franksinankaya · 2019-08-27T02:30:18Z

We could have written a curl only client but we see bigger interest in having a light WinHTTP layer on other applications. We are planning to post a winhttppal project in github in the future.

If you want to make this as a separate project and then point cpprestsdk to it as an external dependency, that would be far more acceptable. But it's failing some of the test cases for the actual WinHTTP implementation (e.g. handling of the Host: header), meaning this isn't actually meeting WinHTTP's contract somewhere.

The project is now public.
https://github.com/microsoft/WinHttpPAL

I'll take your suggestion and create a dependency there.

I actually debugged the host header failure. It is failing because libcurl sends "accept encoding" by default and test is expecting to observe only the headers it sent. I can fix the failing test. That's the only issue here.

BillyONeal

Based on your comments I don't really think our interests are aligned here.

Release/CMakeLists.txt

Release/src/http/client/winhttppal/winhttppal.h

BillyONeal · 2019-08-27T02:16:23Z

Release/tests/functional/http/client/outside_tests.cpp

@@ -228,7 +228,7 @@ SUITE(outside_tests)

    TEST(server_hostname_mismatch) { test_failed_ssl_cert(U("https://wrong.host.badssl.com/")); }

-#if !defined(__cplusplus_winrt)
+#if !defined(__cplusplus_winrt) && !defined(CPPREST_FORCE_HTTP_CLIENT_CURL)


These tests failing suggests that you aren't handling the Host: header correctly in TLS.

Release/src/http/client/winhttppal/winhttppal.cpp

Release/src/http/client/http_client_curl.cpp

BillyONeal · 2019-08-27T02:57:20Z

Release/src/http/client/http_client_curl.cpp

+
+    void on_send_request_validate_cn()
+    {
+        // we do the validation inside curl


I don't think so because you're failing these tests.

If this is the case then you should just remove the function entirely rather than leaving a noop.

Release/src/http/client/http_client_curl.cpp

BillyONeal · 2019-08-27T22:21:01Z

If you want to make this as a separate project and then point cpprestsdk to it as an external dependency, that would be far more acceptable. But it's failing some of the test cases for the actual WinHTTP implementation (e.g. handling of the Host: header), meaning this isn't actually meeting WinHTTP's contract somewhere.

The project is now public.
https://github.com/microsoft/WinHttpPAL

I'll take your suggestion and create a dependency there.

OK, then can you structure it like this:

Change the build script to find that as a dependency (implies getting that dependency into vcpkg ?)
Delete the version of those bits you have from this PR and use the dependency instead.
Rather than copy/pasting the winhttp backend, use an ifdef, use a macro like _CPPREST_USE_WINHTTPPAL, and make those associated changes to the actual WinHTTP backend? That way bugfixes that concern the WinHTTP backend are also applied to the curl one. The azure pipelines configuration using the abstraction layer will serve as a backstop to avoid breaking your layer accidentally.
Rename references to "curl" here with "winhttpal"?

I think that will put us much closer to something we can consider merging.

/cc @barcharcraz

barcharcraz · 2019-08-27T22:34:51Z

If you want to make this as a separate project and then point cpprestsdk to it as an external dependency, that would be far more acceptable. But it's failing some of the test cases for the actual WinHTTP implementation (e.g. handling of the Host: header), meaning this isn't actually meeting WinHTTP's contract somewhere.

The project is now public.
https://github.com/microsoft/WinHttpPAL
I'll take your suggestion and create a dependency there.

OK, then can you structure it like this:

Change the build script to find that as a dependency (implies getting that dependency into vcpkg ?)

Delete the version of those bits you have from this PR and use the dependency instead.

Rather than copy/pasting the winhttp backend, use an ifdef, use a macro like _CPPREST_USE_WINHTTPPAL, and make those associated changes to the actual WinHTTP backend? That way bugfixes that concern the WinHTTP backend are also applied to the curl one. The azure pipelines configuration using the abstraction layer will serve as a backstop to avoid breaking your layer accidentally.

Rename references to "curl" here with "winhttpal"?

I think that will put us much closer to something we can consider merging.

/cc @barcharcraz

isn't _CPPREST_USE_WINHTTPPAL a reserved name?

also: I'd be OK with billy's suggested actions, or with a new "curl only" backend that didn't depend on anything to do with winhttp.

Also, the build script should make the winhttppal an opt in thing. And when opted in it should apply on all platforms (so if you ask for the pal you get it everywhere, not just on platforms without winhttp).

franksinankaya · 2019-08-27T22:47:35Z

isn't _CPPREST_USE_WINHTTPPAL a reserved name?

Why is winhttppal reserved? WinHttp is an existing client library in windows but winhttppal doesn't exist anywhere else except the github page I linked

also: I'd be OK with billy's suggested actions, or with a new "curl only" backend that didn't depend on anything to do with winhttp.

Yeah, I'll follow the actions. As I said, we are seeing the winhttppal being used in multiple projects that are trying to migrate to linux. It has a big benefit for a lot of folks.

Also, the build script should make the winhttppal an opt in thing. And when opted in it should apply on all platforms (so if you ask for the pal you get it everywhere, not just on platforms without winhttp).

Both winhttppal and curl works on windows as well as linux. Code was developed on windows using visual studio and c++ 11 primitives only. Later tested on linux with ubuntu 16.04 and ubuntu 18.04. Code is cross-platform compatible.

BillyONeal · 2019-08-27T23:02:54Z

isn't _CPPREST_USE_WINHTTPPAL a reserved name?

Yes, sorry, I had my 'STL maintainer' hat on :P. CPPREST_USE_WINHTTPPAL without _Ugly underscore please :)

(I don't actually care what the macro is as long as it's descriptive)

barcharcraz · 2019-08-28T00:06:29Z

Both winhttppal and curl works on windows as well as linux. Code was developed on windows using visual studio and c++ 11 primitives only. Later tested on linux with ubuntu 16.04 and ubuntu 18.04. Code is cross-platform compatible.

I just mean that I'd prefer we don't try and have the buildsystem guess if you want/need winhttppal.

…tions

- static analysis - hide copy constructors - Remove terminatestring function and size the buffers appropriately - No need for empty string initialization - Use references instead of copies where possible - replace atoi with stoi - No need to check null pointer on delete - Fix copy paste mistake - Support older curl versions - More read function unifications

Platform category

franksinankaya · 2019-09-09T17:33:28Z

@BillyONeal : can you review the changes? I think I didn't understand some of the preprocessor macro comments you were mentioning about.

BillyONeal

LGTM, thanks for your contribution.

@barcharcraz Can you take a look?

BillyONeal · 2019-09-27T23:27:53Z

Thanks for your contribution!

@toughengineer

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This makes the install location not correct for Debian and similar linux distro, but upstream don't plan to change "lib/cpprestsdk" location, so at least we can override the location with -DCPPREST_EXPORT_DIR=cmake and keep the CMAKE_INSTALL_LIBDIR multiarch location * address review comments * Fix build breaks on GCC 5.4, iOS, and OSX (microsoft#894) * Move up bind_impl so that it can be found by non-MSVC. * Avoid useless qualification making GCC unhappy. * Make GZIP/DEFLATE/BROTLI constant chars. * Remove unneeded ; * Remove broken qualification attempting to forward declare web::http::compression::decompress_factory. * Don't use nonstandard for each. * Remove another unnecessary const. * Mark unused parameters with (void). * Guard -Wno-format-truncation from GCC 5.4. * Fix bogus writtenSize warning from GCC 5.4. * Attempt to avoid std::make_unique in compression tests. * Avoid Concurrency::task_group_status because gcc 5.4 hates it for some reason. * typo a an -> an (microsoft#886) * Correct exception messages and comments in asyncrt_utils (microsoft#889) * Various fixes on microsoft#866 which broke building for iOS and Mac (microsoft#888) * Various fixes on microsoft#866 which broke building for iOS and Mac * Remove trailing semicolon from namespace since flags error when building on Ubuntu * Ubuntu builds needs to factor in unused arguments/variables * Remove trailing spaces from empty lines * Remove duplicate bind_impls. * Fix some merge fallout with master. * Fix narrowing conversion warnings on Windows. (microsoft#895) * Harden winrt_encryption slightly and avoid a potential reallocation. (microsoft#896) * Remove unused variables to avoid warnings in some compilers (microsoft#855) * Enable multi-processor compilation (microsoft#890) * Enable precompiled headers for test/functional (microsoft#891) * Add Ubuntu 16.04 Azure Pipelines Validation (microsoft#898) * Add Azure Pipelines badge. * Added URI resolution according to RFC3986 (microsoft#897) Added URI resolution according to RFC3986, Section 5 (https://tools.ietf.org/html/rfc3986#section-5) * Add MacOS pipelines build support. (microsoft#902) * Attempt to add MacOS pipelines support; increase parallelism to 4. * Fix "expression unused" warnings on MacOS. * Adding test runs to Azure Pipelines. (microsoft#899) * Adding test runs to Pipelines. * Use get instead of then/wait in compression tests. * Fix typo to not write to *done. * Use dylib on MacOS. * Move dotSegment and dotDotSegment back into local variables, as suggested by @toughengineer * Revert "Enable precompiled headers for test/functional (microsoft#891)" (microsoft#904) This reverts commit 2aa4a64 because it fails to compile: D:\cpprestsdk\build.debug>ninja ninja: error: dependency cycle: Release/tests/functional/http/client/stdafx.pch -> Release/tests/functional/http/client/CMakeFiles/httpclient_test.dir/stdafx.cpp.obj -> Release/tests/functional/http/client/stdafx.pch * Burninate internal use of ostringstream, and done a ref (microsoft#905) * Burninate internal use of ostringstream, and make compressors' done parameter required. * Remove errant ::details. * Remove even more errant ::details. * Reduce stdafx.h header inclusion to avoid running out of memory on *nix boxes in Pipelines (microsoft#906) * Pare down stdafx.h to avoid running out of memory on the Linux builders with ninja. * Remove ninja -j. * Add Windows CI to Pipelines using vcpkg for dependencies; merge debug and release for other platforms. (microsoft#911) * Enable Brotli in CI. (microsoft#912) * Enable Brotli in CI. * Restore PCHes and delete unmaintained / broken legacy project files. (microsoft#914) * Add vcpkg based dependency resolution for *nix platforms. (microsoft#913) * Correct .gitmodules to point to upstream vcpkg. * Add install instructions for Fedora (microsoft#919) * Fix off-by-one error in connection pooling introduced with asio certificate changes in 2.10.4 (microsoft#920) * Fix off-by-one error introduced in connection pool stack. This got introduced when the connection pool queue was changed into a stack to reuse hot connections. * Make connection_pool_stack testable and add tests. * Update embedded websockets to 0.8.1 and use submodule instead of checkin (microsoft#921) * Delete checked in websocketpp. * Add submodule reference to websocketpp 0.8.1. * Re-enable no-unused-lamda-capture and no-format-trucation (microsoft#923) * Re-enable no-unused-lamda-capture and no-format-trucation These were disabled as a quick fix for microsoft#778 in microsoft#779. * no-format-truncation was properly fixed in microsoft#787 * no-unused-lamda-capture was worked around in microsoft#732 * gaurds for gcc 5.4 were added in microsoft#849 but with microsoft#787 aren't needed * re-enable warning: -Wdelete-non-virtual-dtor - Was disabled in microsoft#779 and fixed in microsoft#844 * Enable build for iOS in Pipelines. (microsoft#925) * Reduce intermittent test failures in CI by fixing bugs found by asan and tsan (microsoft#926) * Fix intermittent crashes in TestContinuationsWithTask. The one now marked 7 was creating a task that wrote to a stack variable, but never joined with that stack variable. This would cause random crashes whenever that stack position got clobbered. * Fix several errors found by thread sanitizer. * Fix more data races :/ * Fix data races in the asio server found by tsan. * Avoid VS2015 warning C4800. * Enable Android build in CI, update NDK to 17c. (microsoft#922) * This merges parts of: * PR microsoft#662 "Overhaul the build process for the OpenSSL dependency on Android" by jwtowner * PR microsoft#711 "Update the build process for Boost on Android", also by jwtowner * PR microsoft#714 "Improved the build process for cpprestsdk on Android", also by jwtowner. The changes which required patching upstream Boost-for-Android in those PRs has been stripped. The NDK version targeted has been updated to 17c because that's what's avaialble in Azure Pipelines. Various compile failures this uncovered in cpprestsdk on Android were fixed. * Added Jesse Towner (jwtowner) to contributors. * Deal with even more flaky tests! (microsoft#928) * Add message for missing submodule if websocketspp is missing. (microsoft#930) * Update NDK to r18b, as that's what's in Pipelines. (microsoft#931) * Fix VS 2013 builds. (microsoft#932) * Fix VS 2013 builds. * Fixed up bad #endif and constexpr. * Improve utf8_to_utf16 speed for common path (microsoft#892) * Improve utf8_to_utf16 speed for common path Conversion from UTF 8 to UTF 16 will consist mostly of single byte code points (e.g. parsing json bodies). This allows running single byte conversion in a tight loop that is only interrupted if multi byte handling becomes necessary. Measurements for a very long string showed ~30% speed improvement * Use UtilCharInternal_t as character type to avoid issues with platform dependent definition of char * Export methods to set/get the ambient scheduler in cpprest dll (microsoft#670) * Export methods to set/get the ambient scheduler in cpprest dll * move the definiation of get/set_cpprestsdk_ambient_scheduler to pplxwin.cpp * Add test for http request with ambient scheduler * Fix spelling mistakes across the library (microsoft#935) * Use pplx namespace consistently (microsoft#936) * Remove _ASYNCRTIMP from ~http_listener() and implement inline (microsoft#937) * blackjack sample: use vector instead of shared pointer for array (microsoft#943) * Avoid using identifiers reserved by C++ in header guards (microsoft#940) * Mint 2.10.7. (microsoft#933) * Allow ppltasks.h and pplxtasks.h to co-exist (microsoft#938) * Fix incorrect const in reinterpret_cast (microsoft#950) (microsoft#951) * Fix UWP missing header (microsoft#955) * Fix UWP missing header. * Add UWP validation build to Pipelines. * Adds support for OpenSSL 1.1.1 (microsoft#956) Adds support for OpenSSL 1.1.1, given updated websocketpp and boost/asio, at least on macOS and iOS. (see microsoft#949) * fix anroid build issue by remove the crossplt name space before android parameters (microsoft#959) * Update vcpkg to latest master to fix VS2015 build. (microsoft#960) * Update vcpkg to latest master to fix VS2013 build. * Update again! * Fix string size for error message generated by windows_category (microsoft#966) Due to the initial allocation of the error message, the returned std::string had a size of 4096. Since FormatMessageW already returns the number of characters written to the buffer an additional call to resize using the returned count will neatly trim the string. * Add uri_builder::append_path_raw(...) to allow adding elements to path intentionally beginning with '/' ("//" will results in the final path value) (microsoft#958) * add append_path_raw() to uri_builder * modify implementation details * modified test case * fixed append_path_raw and included a testscase for a trailing slash with that API * update submodule to vcpkg master due to the NuGet hash changes * Avoid double encoding through set_path and add tests. Extract single slash string comparison. Reduce string copy count. Add VS Code settings and launch. * Optimize append_path similarly. * Also optimize append_query. * Also optimize other uri_builder things. * Avoid self references. * cmake: add code to detect system brotli library (microsoft#952) * Fix Brotli compress_helper early termination issue (microsoft#963) * Fixes iOS builds and makes it more future proof (microsoft#961) * Fixed builds for iOS to be more future proof * Added possibility to change OpenSSL version * Add leetal to CONTRIBUTORS.txt * Mint 2.10.8. (microsoft#970) * Mint 2.10.8 * Lesssssssssss ssssssssssssss * Address gcc warnings-as-errors in compression code, test improvements (microsoft#973) Thanks for your contribution! * Prevent infinite loop during proxy authentication (microsoft#986) * Remove use of aligned_union that broke CentOS 7. (microsoft#987) * Update vcpkg dependencies. (microsoft#997) * Add tests reported in Github issues. (microsoft#1001) * Add tests reported in Github issues. * Fix lying ampersand comment. * Fix missing string escape. * microsoft#993, microsoft#1002: Add flexibility for iOS building. Adds command line args… (microsoft#1004) * microsoft#993, microsoft#1002: Add flexibility for iOS building. Adds command line args to configure.sh to allow more customization of iOS lib * Add mobileben to CONTRIBUTORS.txt * clang-format cpprestsdk (microsoft#1005) * gcc: Fix compilation with -fno-operator-names (microsoft#1009) * FIX: crash with std::logic_error when reusing a connection that timed out on the server (microsoft#1019) * FIX: check whether instream() is valid before trying to rewind * add .can_seek() as a second line of defense * apply clang-format * improve error reporting for unrewindable streams * Add René Meusel (reneme) to CONTRIBUTORS.txt. * microsoft#1020 handle null bytes when parsing utf8 (microsoft#1021) * add regression test for conversion of null byte * handle null bytes like single byte characters * microsoft#1015 Add in support for adding i386 slice when building for 32-bit targets. Also improve messaging and add means to clean (microsoft#1017) * http_compression.cpp: fix build with gcc 4.7 (microsoft#1024) At GCC 4.7, C++11 rules for noexcept specification of implicit destructors (and default specification on explicit destructors without exception specifications) aren't perfectly implemented, see: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53613 Fixes: - http://autobuild.buildroot.org/results/a080dbe2977cd35e4f8351d864bd71aaa8f9b743 Signed-off-by: Fabrice Fontaine <[email protected]> * Resolve double free when WinHttpSendRequest fails (microsoft#1022) * Update vcpkg. * Resolve double free when WinHttpSendRequest fails A customer reported that win WinHttpSendRequest fails, WinHTTP still delivers WINHTTP_CALLBACK_STATUS_HANDLE_CLOSING callbacks. When _start_request_send encountered a failure, it deleted the context weak_ptr, and then the WINHTTP_CALLBACK_STATUS_HANDLE_CLOSING also tried to delete it, resulting in double frees. This change binds the weak_ptr to the handle more directly and avoids paying attention to WinHttpSendRequest. * Mint 2.10.9. (microsoft#1025) * Handle multi-byte unicode characters in json parsing (microsoft#1023) * handle multi-byte unicode characters in json parsing * Properly check high surrogate start and end Co-Authored-By: Tymolc <[email protected]> * Temporary fix for VS2013. (microsoft#1033) * Workaround some VS2013 bugs. * Fix threadpool.cpp under VS2013. * Mint 2.10.10 to unblock Azure storage folks. (microsoft#1034) * Disable WINHTTP_AUTOPROXY_OPTIONS machinery when using WINHTTP_ACCESS_TYPE_AUTOMATIC_PROXY. (microsoft#1040) * Fix HTTP/1.0 'Keep-Alive' handling in http_client (microsoft#1032) * Add exception handling for the ssl_context_callback so it has a means to report errors * Fix upgrade to SSL after a proxy connect (hostname is required) * Add the obvious missing constructor from a std::error_code and 'what' string message; cf. websocket_exception * Update vcpkg. (microsoft#1053) * Update vcpkg. * Work around Azure Pipelines bug caused by global VCPKG_ROOT environment variable. * Syntax error! * Returns int64 value in function of seeking to file end on x64 Windows. (microsoft#1057) * Don't close the output stream when reporting errors reading the body. (microsoft#1068) This matches the asio implementation to what the winhttp implementation was doing. Also turned on a test that looked related; I'm not positive that this change fixed that test but it passes for me now. * Enable testing from root directory (microsoft#1064) * Add --vcpkg-root to repair UWP. * Update Boost_for_android for Android R19 (microsoft#1041) This was forced on us by a change made in Azure Pipelines. This change also builds Android with an updated copy of CMake; the version included with Ubuntu didn't have the Boost_ARCHITECTURE knob we need to change for the new -a32 and -x32 library suffixes. * Gate stdext::checked_array_iterator usage on _ITERATOR_DEBUG_LEVEL (microsoft#1072) * Add the missing ssl::context callback in websocket_client_config (microsoft#1049) * Add the missing ssl::context callback in websocket_client_config, borrowing heavily from http_client * Add dependency on Boost and OpenSSL when websocketpp is used for Secure WebSocket, just like for http_client when CPPREST_HTTP_CLIENT_IMPL STREQUAL "asio" * Move get_jvm_env back into the crossplat namespace (microsoft#1073) * Move get_jvm_env back into the crossplat namespace as it is declared in a header and used elsewhere. * Add more missing crossplat:: qualifications. * Mint v2.10.11. (microsoft#1074) * Rewrite date formatting and parsing (microsoft#1076) This overhauls the RFC 1123 and ISO 8601 parsing with bits copied from the autorest C prototype, giving more consistent behavior across platforms, and removing unintended locale dependencies. (For example, before on POSIX on a German machine we might emit Die, 19 Mär 2019 09:59:57 which would be rejected by servers) There is a subtle breaking change in that we previously accepted a time with no date, e.g. "12:12:12Z", and this change rejects that. However, such input is not a valid ISO 8601 input, and we were crazy about how we handled it before. Before, on Windows we would fill in the date with whatever the current date is, but on POSIX we would fill in January 1, 1970. Considering this was never consistent, and considering 99.999% of internet customers are going to be using RFC 3339 which requires all the components, I've dropped that special case. Lots of tests also added. * Fix oauth nonces containing nulls. (microsoft#1084) * Workaround data-race on websocketpp's _htonll function (microsoft#1082) * Workaround data-race on websocketpp's _htonll function * Add URI to discussion. * Fix thread not joined (microsoft#1080) * Add locks to guarantee asio io_service thread is joined * Use lock_guard instead of unique_lock and add unlock comments. * Fix data race, GitHub microsoft#1085 (microsoft#1088) * Fix data race, GitHub microsoft#1085 * Fix *nix typos. * Mint v2.10.12. (microsoft#1089) * Don't initialize atomic_flag with 0. (microsoft#1093) * Avoid tripping over 32 bit time_t mistakes. (microsoft#1094) Resolves microsoft#1090 * Allow error handling for time out in http_client_asio handle_connect (microsoft#1097) * Update request_timeout_microsecond timeout (microsoft#1101) Occasionally, on heavy loaded servers, or slow machines, 500 micro seconds is a too strict timeout. Bump to 900 micro seconds instead * Paranoia for overflow of sprintf buffer in the year 10000 (microsoft#1106) * Parse and emit years from 1900 to 9999, and remove environment variable dependence on Android (microsoft#1117) Update date formatting and parsing to accept all years between 1900 and 9999. This unblocks the Azure Storage SDK which uses 9999-12-31 as a sentinel value for "no expiration time" which was broken by the locale insensitive date formatting's dependence on _mkgmtime, with its 1970-3000 range. By morally reimplementing _mkgmtime, this change also lets us remove the Android workaround of changing the TZ environment variable. Release\tests\functional\utils\datetime.cpp Turn on tests for values that would need 64 bits represented as a time_t, even for 32 bit time_t platforms. Add year 1900 and 9999 test cases, and remove year 3000+ and 1969- negative tests. Release\tests\functional\http* Drive by fix for new VS2019 warnings about narrowing. Release\src\utilities\asyncrt_utils.cpp Remove dependence on _mkgmtime and gmtime_r/gmtime_s by implementing replacements loosely inspired by both the C runtime's date operations and .NET's handling of the Gregorian calendar's 400 year cycle. * Remove needless cast. * Fix off by one error in leap years before year 2000, and bad day names (microsoft#1120) * Mint v2.10.13. (microsoft#1122) * Add switches to make apiscan happy. (microsoft#1133) * json: {"meow"} is not a valid object (microsoft#1130) * json: {"meow"} is not a valid object * Add to contributors - eighteenth PR seemed like the time! :-) * Undefine compress if it is defined by zconf.h (microsoft#1150) * Fix broken CI Builds (microsoft#1156) * Update vcpkg. * Attempt to fix Ubuntu apt and update MacOS. * Workaround Azure Pipelines forcing an updated copy of boost that doesn't work with default Ubuntu libs. * Add test runs back. * Update boost-for-android and block Boost 1.69 on the image. * Update boost and openssl on iOS. * Use right path to test binaries. * Shut off iOS builds. * Use EVP_MAX_MD_SIZE instead of HMAC_MAX_MD_CBLOCK (microsoft#1155) * Remove the address_configured flag on tcp::resolver::query (microsoft#1145) The default behavior for tcp::resolver::query uses the address_configured flag, which only returns addresses if a non-loopback address is available on the system. If this is called before a real network interface is brought up, then resolution will fail and the server won't be functional, even for requests on the loopback interface. Explicitly set the flags to default so that the address_configured flag is not specified. This allows the server to start up normally even when the system has no active network interfaces. * add ping and pong to message handler (microsoft#1143) Add ping and pong to message handler, and optional pong timeout * Fix reusing ASIO http_client connecting to HTTPS server via proxy (microsoft#539) Calling request() twice on the same client configured to connect to a server via HTTPS didn't work under Unix because we issues CONNECT for every request, meaning that, for the second one, we sent CONNECT via an already established connection to the end server itself which, unsurprisingly, didn't work at all. Fix this by only setting up SSL tunnelling for a new connection but not for the already used one. * Fix issue microsoft#1171: Order of object destruction (microsoft#1175) - Connection object is now destroyed before client object - Client is destroyed only when wspp_callback_client is destroyed to prevent race condition with the destructor * FIX: SSL proxy tunnel support with basic auth (microsoft#1183) * Fix profile being set on the compiler instead of the linker. (microsoft#1184) * Update boost-for-android for Android NDK r20 and disable macOS Homebrew. (microsoft#1185) * Update boost-for-android for Android NDK r20. * Also disable homebrew. * I mean homebrew I said! * Apparently Android isn't ready for Boost 1.70 yet. * Remove invalid nondependent static assert (microsoft#1186) * Remove invalid static_assert(false). * Turn on permissive-. * clang-format * Replace CPPREST_TARGET_XP with version checks, remove ""s, and other cleanup (microsoft#1187) * Audit for "" and use std::string default ctor instead. * Fix Linux ambiguity. * Exclude common build directories. * Replace CPPREST_TARGET_XP with checks against _WIN32_WINNT to allow more fine grained controls going forward (e.g. assume Win10). Also fix a few typos. * Delete CASABLANCA_UNREFERENCED_PARAMETER and attempt Linux compile fix. * Defend NOMINMAX. * Another _WIN32 guard. * With && this time. * Fix more spelling errors. * Optimize trim_nulls slightly. * And actually make the optimization correct this time. * Fix unit test failure. * clang-format * Remove proxy settings detection behavior in "default proxy mode." (microsoft#1188) * Remove proxy settings detection behavior in "default proxy mode." This commit partially reverts microsoft@eb108ad in order to work around a reliability problem with WinHttpGetProxyForUrl. That function hangs unless there is an available thread pool thread to complete the WPAD request. As a result, if a customer issued ~512 concurrent HTTP requests, or otherwise needed that many thread pool threads, there would not be a thread available for WinHTTP to complete the operation, and the program would deadlock. Moreover this call to WinHttpGetDefaultProxyConfiguration is extremely expensive, taking ~20% of overall CPU for the entire program for some Azure Storage SDK customers. The function WinHttpGetProxyForUrlEx is supposed to help with this problem by being asynchronous, but that function was added in Windows 8, so we can't use it unconditionally. And on Windows 8.1 we already are using WINHTTP_ACCESS_TYPE_AUTOMATIC_PROXY instead of trying to do proxy autodetect ourselves. * Mint v2.10.14. (microsoft#1193) * Missed one defence against no NOMINMAX in bed8fa5. (microsoft#1202) * Workarounds for two GCC 4.7.2 bugs with lambda functions (microsoft#1209) * Workarounds for two GCC 4.7.2 bugs with lambda functions using implicit this, surfacing as incorrect const-qualification and an internal compiler error. Resolves immediate issues identified in microsoft#1200. * Restore compatibility with modern compilers * fix SxS debug-release builds with Visual Studio (microsoft#1220) * On basic_string_view_support: fix SxS debug-release builds with Visual Studio place precompiled header implicitly in Debug/Release path with VS and explicitly in bin dir otherwise standardize pch setup across libraries with helper function * nudge pipeline to rerun * Fix "Data" to "Date" in the HTTP Server API mapping, and clarify that the indices of these values match the HTTP_HEADER_ID values for HTTP_REQUEST_HEADERS but *not* HTTP_RESPONSE_HEADERS (microsoft#1219) * Fixing of connections_and_errors::cancel_with_error test which sometimes fires false positive error "There are no pending calls to next_request." (microsoft#1196) * Trim whitespace and nulls the same way. (microsoft#1233) * Avoid using permissive- with ZW which breaks VS2019 (microsoft#1248) * Also add VS2019 configurations to Azure Pipelines. * Also turn on vcpkg caching from @lukka * Support for WinHTTPAL curl-to-WinHTTP adapter (microsoft#1182) * http_server_httpsys.cpp requires linking against httpapi.lib, http_client_winhttp.cpp does not. (microsoft#1253) * Update README.md (microsoft#1256) * remove trailing slash on websocketpp submodule url, which causes checkout failure on CircleCI with git 2.22.0 (microsoft#1263)

franksinankaya force-pushed the frkaya/curlhttp branch from 6388246 to 0b259d8 Compare July 10, 2019 22:12

BillyONeal requested changes Jul 12, 2019

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franksinankaya commented Jul 18, 2019

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Release/src/http/client/http_client_curl.cpp Outdated Show resolved Hide resolved

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BillyONeal requested changes Aug 27, 2019

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franksinankaya added 15 commits September 2, 2019 18:39

Support CURL based HTTP client

7efa590

Include buffer request for CURL based client

606565f

Rename to curl_xyz functions and remove if 0s

ea3a590

Restore ifdef

2814029

Remove conflicting definitions

ca838be

Prefer utility::char_t to TCHAR

2ceebcb

Bring writedata optimization by removing the intermediate buffering

bdc6efc

Use std::string where possible

e7858d7

Unify trace functions and reduce dynamic_cast calls

2b9e778

Add ubuntu 18.04 azure pipeline with no tests for the moment

17c50d1

Use ubuntu 16.04 but update the curl in it

fb85f5a

pipelines: needs sudo for install

50ac9d4

Remove reference to undefined type

55bc08b

Eliminate size conversations

ee4c0cc

Formatting changes and convert MultiByte functions to C++ native func…

06b5d13

…tions

franksinankaya added 14 commits September 2, 2019 18:39

Use nullize_newlines

44ca34a

Structure TRACE output for each request

e2ced5a

Use queue instead of locks

7055a34

Simplify reads, add breadcrumbs on failure

df774d5

Ignore http 100 continue

0b8609a

Remove buffering support

95bfd6b

Cleanup repeating patterns and add null checks

593954c

tests: CURL doesn't support hostname override

0345652

More function unification and prevent premature read completion

422655c

Fix typo

1cd5cd1

Support proxies

89ed468

Fix spacing

8a4d808

Move winhttppal to its own library

2124784

franksinankaya force-pushed the frkaya/curlhttp branch from 462b710 to 2124784 Compare September 2, 2019 20:09

franksinankaya added 7 commits September 2, 2019 23:36

Delta

78ef46b

Platform category

Share parse_headers_string

df34d8f

Implement auth scheme

4332fe5

Remove http_client_winhttppal.cpp

fce2480

sudo install

17a75fc

Undo warning suppress

8db16da

Fix capitalization

cdb2244

BillyONeal approved these changes Sep 27, 2019

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Merge remote-tracking branch 'origin/master' into frkaya/curlhttp

22b34f9

BillyONeal merged commit f4c863b into microsoft:master Sep 27, 2019

franksinankaya deleted the frkaya/curlhttp branch September 27, 2019 23:28

garethsb mentioned this pull request Dec 12, 2019

Fix http_client test case compile failure #1288

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Support CURL based HTTP client #1182

Support CURL based HTTP client #1182

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Support CURL based HTTP client #1182

Support CURL based HTTP client #1182

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