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Hugh Sanderson
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,259 @@ | ||
| #include <URL.h> | ||
| #include <Utils.h> | ||
| #include <map> | ||
| #include <string> | ||
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| #include "emscripten.h" | ||
| #include "emscripten/fetch.h" | ||
| #include <sys/stat.h> | ||
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| namespace nme | ||
| { | ||
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| static int sgAvtiveCount = 0; | ||
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| static void onsuccess(struct emscripten_fetch_t *fetch); | ||
| static void onerror(struct emscripten_fetch_t *fetch); | ||
| static void onprogress(struct emscripten_fetch_t *fetch); | ||
| static void onreadystatechange(struct emscripten_fetch_t *fetch); | ||
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| static const bool allowUserAgent = false; | ||
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| class CurlFetch : public URLLoader | ||
| { | ||
| emscripten_fetch_t *fetch; | ||
| URLState state; | ||
| ByteArray data; | ||
| std::string err; | ||
| int status; | ||
| std::vector<char> postData; | ||
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| public: | ||
| CurlFetch(URLRequest &request) | ||
| { | ||
| state = urlInit; | ||
| status = 400; | ||
| fetch = nullptr; | ||
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| emscripten_fetch_attr_t attr; | ||
| emscripten_fetch_attr_init(&attr); | ||
| attr.userData = this; | ||
| attr.onsuccess = onsuccess; | ||
| attr.onprogress = onprogress; | ||
| attr.onerror = onerror; | ||
| attr.onreadystatechange = onreadystatechange; | ||
| attr.attributes = EMSCRIPTEN_FETCH_LOAD_TO_MEMORY; | ||
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| strcpy(attr.requestMethod, request.method); | ||
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| if (request.postData.Size()>0) | ||
| { | ||
| postData.resize(request.postData.Size()); | ||
| memcpy(&postData[0],request.postData.Bytes(), request.postData.Size()); | ||
| attr.requestData = &postData[0]; | ||
| attr.requestDataSize = postData.size(); | ||
| } | ||
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| std::string user; | ||
| std::string pass; | ||
| if (request.credentials && request.credentials[0]) | ||
| { | ||
| std::string creds(request.credentials); | ||
| auto col = creds.find(":"); | ||
| if (col!=std::string::npos) | ||
| { | ||
| user = creds.substr(0,col); | ||
| pass = creds.substr(col+1); | ||
| attr.userName = user.c_str(); | ||
| attr.password = pass.c_str(); | ||
| } | ||
| } | ||
| std::vector<const char *> allHeaders; | ||
| bool seenCookie = false; | ||
| bool seenAgent = false; | ||
| bool seenContent = false; | ||
| for(int i=0;i<request.headers.size();i++) | ||
| { | ||
| URLRequestHeader &h = request.headers[i]; | ||
| const char *value = h.value; | ||
| if (!strcmp(h.name,"User-Agent")) | ||
| { | ||
| if (allowUserAgent) | ||
| { | ||
| seenAgent = true; | ||
| if (request.userAgent && request.userAgent[0]) | ||
| value = request.userAgent; | ||
| } | ||
| } | ||
| else if (!strcmp(h.name,"Cookie")) | ||
| { | ||
| seenCookie = true; | ||
| if (request.cookies && request.cookies[0]) | ||
| value = request.cookies; | ||
| } | ||
| else if (!strcmp(h.name,"Content-Type")) | ||
| { | ||
| seenContent = true; | ||
| if (request.contentType && request.contentType[0]) | ||
| value = request.contentType; | ||
| } | ||
|
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| allHeaders.push_back(h.name); | ||
| allHeaders.push_back(value); | ||
| } | ||
| if (allowUserAgent && !seenAgent && request.userAgent && request.userAgent[0]) | ||
| { | ||
| allHeaders.push_back("User-Agent"); | ||
| allHeaders.push_back(request.userAgent); | ||
| } | ||
| if (!seenCookie && request.cookies && request.cookies[0]) | ||
| { | ||
| allHeaders.push_back("Cookie"); | ||
| allHeaders.push_back(request.cookies); | ||
| } | ||
| if (!seenContent && request.contentType && request.contentType[0]) | ||
| { | ||
| allHeaders.push_back("Content-Type"); | ||
| allHeaders.push_back(request.contentType); | ||
| } | ||
|
|
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| if (allHeaders.size()) | ||
| { | ||
| allHeaders.push_back(nullptr); | ||
| attr.requestHeaders = &allHeaders[0]; | ||
| } | ||
|
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|
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| fetch = emscripten_fetch(&attr, request.url); | ||
|
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| state = urlLoading; | ||
| } | ||
|
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| ~CurlFetch() | ||
| { | ||
| close(); | ||
| } | ||
|
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| void onSuccess() | ||
| { | ||
| if (fetch) | ||
| { | ||
| int len = (int)fetch->numBytes; | ||
| if (len) | ||
| { | ||
| data = ByteArray(len); | ||
| memcpy(data.Bytes(), fetch->data, len); | ||
| } | ||
| status = fetch->status; | ||
| } | ||
| state = urlComplete; | ||
| } | ||
| void onError() | ||
| { | ||
| if (fetch) | ||
| { | ||
| status = fetch->status; | ||
| err = fetch->statusText; | ||
| } | ||
| close(); | ||
| state = urlError; | ||
| } | ||
| void onProgress() { } | ||
|
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| void onReadyStateChanged() | ||
| { | ||
| } | ||
|
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|
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| void close() | ||
| { | ||
| if (fetch) | ||
| { | ||
| emscripten_fetch_close(fetch); | ||
| fetch = nullptr; | ||
| } | ||
| } | ||
| URLState getState() | ||
| { | ||
| return state; | ||
| } | ||
|
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| int bytesLoaded() | ||
| { | ||
| if (fetch) | ||
| return (int)fetch->dataOffset; | ||
| return 0; | ||
| } | ||
| int bytesTotal() | ||
| { | ||
| if (fetch) | ||
| return (int)fetch->totalBytes; | ||
| return 0; | ||
| } | ||
| int getHttpCode() | ||
| { | ||
| return status; | ||
| } | ||
| const char *getErrorMessage() | ||
| { | ||
| return err.c_str(); | ||
| } | ||
|
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| ByteArray releaseData() | ||
| { | ||
| return data; | ||
| } | ||
|
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| void getCookies( std::vector<std::string> &outCookies ) | ||
| { | ||
| } | ||
|
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| void getResponseHeaders( std::vector<std::string> &outHeaders ) | ||
| { | ||
| if (fetch) | ||
| { | ||
| size_t len = emscripten_fetch_get_response_headers_length(fetch); | ||
| if (len) | ||
| { | ||
| std::vector<char> buf(len); | ||
| emscripten_fetch_get_response_headers(fetch, &buf[0], len); | ||
| char **headers = emscripten_fetch_unpack_response_headers(&buf[0]); | ||
| std::string sep(": "); | ||
| for(char **h = headers; *h; h+=2) | ||
| outHeaders.push_back( h[0] + sep + h[1] ); | ||
| emscripten_fetch_free_unpacked_response_headers(headers); | ||
| } | ||
| } | ||
| } | ||
|
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| }; | ||
|
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| static void onsuccess(struct emscripten_fetch_t *fetch) { | ||
| ((CurlFetch *)fetch->userData)->onSuccess(); | ||
| } | ||
| static void onerror(struct emscripten_fetch_t *fetch) { | ||
| ((CurlFetch *)fetch->userData)->onError(); | ||
| } | ||
| static void onprogress(struct emscripten_fetch_t *fetch) { | ||
| ((CurlFetch *)fetch->userData)->onProgress(); | ||
| } | ||
| static void onreadystatechange(struct emscripten_fetch_t *fetch) { | ||
| ((CurlFetch *)fetch->userData)->onReadyStateChanged(); | ||
| } | ||
|
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| URLLoader *URLLoader::create(URLRequest &inRequest) | ||
| { | ||
| return new CurlFetch(inRequest); | ||
| } | ||
|
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| bool URLLoader::processAll() | ||
| { | ||
| return sgAvtiveCount > 0; | ||
| } | ||
| void URLLoader::initialize(const char *inCACertFilePath) | ||
| { | ||
| } | ||
|
|
||
| } // End namespace nme |
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