From 279c36fcf0a4466cb14d350aefcfaedf547a0f0a Mon Sep 17 00:00:00 2001
From: UnknownShadow200 <unknownshadow200@gmail.com>
Date: Tue, 28 Sep 2021 12:43:22 +1000
Subject: [PATCH] iOS: Add a CFNetwork http backend that barely works

---
 src/ClassiCube.vcxproj         |  1 +
 src/ClassiCube.vcxproj.filters |  3 ++
 src/Core.h                     |  4 +-
 src/Http_Worker.c              | 74 ++++++++++++++++++++++++++++++++++
 4 files changed, 81 insertions(+), 1 deletion(-)

diff --git a/src/ClassiCube.vcxproj b/src/ClassiCube.vcxproj
index f3b907eec..af90e9d24 100644
--- a/src/ClassiCube.vcxproj
+++ b/src/ClassiCube.vcxproj
@@ -289,6 +289,7 @@
     <ClCompile Include="Deflate.c" />
     <ClCompile Include="Model.c" />
     <ClCompile Include="Menus.c" />
+    <ClCompile Include="Platform_Android.c" />
     <ClCompile Include="Platform_Posix.c" />
     <ClCompile Include="Platform_Web.c" />
     <ClCompile Include="Platform_WinApi.c" />
diff --git a/src/ClassiCube.vcxproj.filters b/src/ClassiCube.vcxproj.filters
index 1c49f3a8f..4f8c6cb9f 100644
--- a/src/ClassiCube.vcxproj.filters
+++ b/src/ClassiCube.vcxproj.filters
@@ -584,5 +584,8 @@
     <ClCompile Include="Graphics_D3D11.c">
       <Filter>Source Files\Graphics</Filter>
     </ClCompile>
+    <ClCompile Include="Platform_Android.c">
+      <Filter>Source Files\Platform</Filter>
+    </ClCompile>
   </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/src/Core.h b/src/Core.h
index 6724b74e8..31bd81f12 100644
--- a/src/Core.h
+++ b/src/Core.h
@@ -188,14 +188,16 @@ Thus it is **NOT SAFE** to allocate a string on the stack. */
 #define CC_BUILD_GLMODERN
 #define CC_BUILD_IOS
 #define CC_BUILD_TOUCH
+#define CC_BUILD_CFNETWORK
 #elif defined __x86_64__ || defined __arm64__
 #define CC_BUILD_COCOA
 #define CC_BUILD_MACOS
+#define CC_BUILD_CURL
 #else
 #define CC_BUILD_CARBON
 #define CC_BUILD_MACOS
-#endif
 #define CC_BUILD_CURL
+#endif
 #define CC_BUILD_OPENAL
 #elif defined __sun__
 #define CC_BUILD_SOLARIS
diff --git a/src/Http_Worker.c b/src/Http_Worker.c
index 44ddc2df6..6b6804be3 100644
--- a/src/Http_Worker.c
+++ b/src/Http_Worker.c
@@ -745,6 +745,80 @@ static cc_result HttpBackend_Do(struct HttpRequest* req, cc_string* url) {
 	http_curProgress = 100;
 	return res;
 }
+#elif defined CC_BUILD_CFNETWORK
+#include "Errors.h"
+#include <stddef.h>
+#include <CFNetwork/CFNetwork.h>
+
+
+cc_bool Http_DescribeError(cc_result res, cc_string* dst) {
+    return false;
+}
+
+static void HttpBackend_Init(void) {
+    
+}
+
+static void Http_AddHeader(struct HttpRequest* req, const char* key, const cc_string* value) {
+    char tmp[NATIVE_STR_LEN];
+    CFStringRef keyCF, valCF;
+    CFHTTPMessageRef msg = (CFHTTPMessageRef)req->meta;
+    Platform_EncodeUtf8(tmp, value);
+    
+    keyCF = CFStringCreateWithCString(NULL, key, kCFStringEncodingUTF8);
+    valCF = CFStringCreateWithCString(NULL, tmp, kCFStringEncodingUTF8);
+    CFHTTPMessageSetHeaderFieldValue(msg, keyCF, valCF);
+    CFRelease(keyCF);
+    CFRelease(valCF);
+}
+
+static cc_result HttpBackend_Do(struct HttpRequest* req, cc_string* url) {
+    static CFStringRef verbs[] = { CFSTR("GET"), CFSTR("HEAD"), CFSTR("POST") };
+    char tmp[NATIVE_STR_LEN];
+    CFStringRef urlCF;
+    CFURLRef urlRef;
+    CFHTTPMessageRef msg;
+    
+    Platform_EncodeUtf8(tmp, url);
+    urlCF  = CFStringCreateWithCString(NULL, tmp, kCFStringEncodingUTF8);
+    urlRef = CFURLCreateWithString(NULL, urlCF, NULL);
+    
+    msg = CFHTTPMessageCreateRequest(NULL, verbs[req->requestType], urlRef, kCFHTTPVersion1_1);
+    req->meta = msg;
+    Http_SetRequestHeaders(req);
+    
+    if (req->data && req->size) {
+        CFDataRef body = CFDataCreate(NULL, req->data, req->size);
+        CFHTTPMessageSetBody(msg, body);
+        CFRelease(body); /* TODO: ???? */
+        
+        req->data = NULL;
+        req->size = 0;
+        Mem_Free(req->data);
+    }
+    
+    CFReadStreamRef stream = CFReadStreamCreateForHTTPRequest(NULL, msg);
+    CFReadStreamSetProperty(stream, kCFStreamPropertyHTTPShouldAutoredirect, kCFBooleanTrue);
+    //CFHTTPReadStreamSetRedirectsAutomatically(stream, TRUE);
+    CFReadStreamOpen(stream);
+    CFIndex read = 0;
+    char buf[1024];
+    
+    for (;;) {
+        CFIndex read = CFReadStreamRead(stream, buf, sizeof(buf));
+        if (read <= 0) break;
+        
+        if (!req->_capacity) Http_BufferInit(req);
+        Http_BufferEnsure(req, read);
+        
+        Mem_Copy(&req->data[req->size], buf, read);
+        Http_BufferExpanded(req, read);
+    }
+    
+    // error handling? what's that anyways?
+    req->statusCode = 200;
+    return 0;
+}
 #endif
 
 static void ClearCurrentRequest(void) {