77 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			77 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			C++
		
	
	
	
/*
 | 
						|
 * Copyright 2016 Google Inc.
 | 
						|
 *
 | 
						|
 * Use of this source code is governed by a BSD-style license that can be
 | 
						|
 * found in the LICENSE file.
 | 
						|
 */
 | 
						|
 | 
						|
#include "tools/skiaserve/urlhandlers/UrlHandler.h"
 | 
						|
 | 
						|
#include "microhttpd.h"
 | 
						|
#include "tools/skiaserve/Request.h"
 | 
						|
#include "tools/skiaserve/Response.h"
 | 
						|
 | 
						|
using namespace Response;
 | 
						|
 | 
						|
static const size_t kBufferSize = 1024;
 | 
						|
 | 
						|
static int process_upload_data(void* cls, enum MHD_ValueKind kind,
 | 
						|
                               const char* key, const char* filename,
 | 
						|
                               const char* content_type, const char* transfer_encoding,
 | 
						|
                               const char* data, uint64_t off, size_t size) {
 | 
						|
    struct UploadContext* uc = reinterpret_cast<UploadContext*>(cls);
 | 
						|
 | 
						|
    if (0 != size) {
 | 
						|
        uc->fStream.write(data, size);
 | 
						|
    }
 | 
						|
    return MHD_YES;
 | 
						|
}
 | 
						|
 | 
						|
bool PostHandler::canHandle(const char* method, const char* url) {
 | 
						|
    return 0 == strcmp(method, MHD_HTTP_METHOD_POST) &&
 | 
						|
           0 == strcmp(url, "/new");
 | 
						|
}
 | 
						|
 | 
						|
int PostHandler::handle(Request* request, MHD_Connection* connection,
 | 
						|
                        const char* url, const char* method,
 | 
						|
                        const char* upload_data, size_t* upload_data_size) {
 | 
						|
    UploadContext* uc =  request->fUploadContext;
 | 
						|
 | 
						|
    // New connection
 | 
						|
    if (!uc) {
 | 
						|
        // TODO make this a method on request
 | 
						|
        uc = new UploadContext;
 | 
						|
        uc->connection = connection;
 | 
						|
        uc->fPostProcessor = MHD_create_post_processor(connection, kBufferSize,
 | 
						|
                                                       &process_upload_data, uc);
 | 
						|
        SkASSERT(uc->fPostProcessor);
 | 
						|
 | 
						|
        request->fUploadContext = uc;
 | 
						|
        return MHD_YES;
 | 
						|
    }
 | 
						|
 | 
						|
    // in process upload
 | 
						|
    if (0 != *upload_data_size) {
 | 
						|
        SkASSERT(uc->fPostProcessor);
 | 
						|
        MHD_post_process(uc->fPostProcessor, upload_data, *upload_data_size);
 | 
						|
        *upload_data_size = 0;
 | 
						|
        return MHD_YES;
 | 
						|
    }
 | 
						|
 | 
						|
    // end of upload
 | 
						|
    MHD_destroy_post_processor(uc->fPostProcessor);
 | 
						|
    uc->fPostProcessor = nullptr;
 | 
						|
 | 
						|
    std::unique_ptr<SkStreamAsset> stream(request->fUploadContext->fStream.detachAsStream());
 | 
						|
    if (!request->initPictureFromStream(stream.get())) {
 | 
						|
        fprintf(stderr, "Could not create picture from stream.\n");
 | 
						|
        return MHD_NO;
 | 
						|
    }
 | 
						|
 | 
						|
    // clear upload context
 | 
						|
    delete request->fUploadContext;
 | 
						|
    request->fUploadContext = nullptr;
 | 
						|
 | 
						|
    return SendTemplate(connection, true, "/");
 | 
						|
}
 |