Add the HTTP uploading class for Mac.

git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@86 4c0a9323-5329-0410-9bdc-e9ce6186880e

2 files changed, 236 insertions, 0 deletions

diff --git a/src/common/mac/HTTPMultipartUpload.h b/src/common/mac/HTTPMultipartUpload.h
new file mode 100644
index 00000000..8de32b49
--- /dev/null
+++ b/src/common/mac/HTTPMultipartUpload.h
@@ -0,0 +1,60 @@
+// Copyright (c) 2006, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// HTTPMultipartUpload: A multipart/form-data HTTP uploader.
+// Each parameter pair is sent as a boundary
+// Each file is sent with a name field in addition to the filename and data
+// The data will be sent synchronously.
+
+#import <Cocoa/Cocoa.h>
+
+@interface HTTPMultipartUpload : NSObject {
+ @protected
+  NSURL *url_;                  // The destination URL (STRONG)
+  NSDictionary *parameters_;    // The key/value pairs for sending data (STRONG)
+  NSMutableArray *files_;       // Array of NSDictionaries file/name (STRONG)
+  NSString *boundary_;          // The boundary string (STRONG)
+  NSHTTPURLResponse *response_; // The response from the send (STRONG)
+}
+
+- (id)initWithURL:(NSURL *)url;
+
+- (NSURL *)URL;
+
+- (void)setParameters:(NSDictionary *)parameters;
+- (NSDictionary *)parameters;
+
+- (void)addFileAtPath:(NSString *)path name:(NSString *)name;
+- (NSArray *)files;
+
+// Set the data and return the response
+- (NSData *)send:(NSError **)error;
+- (NSHTTPURLResponse *)response;
+
+@end
diff --git a/src/common/mac/HTTPMultipartUpload.m b/src/common/mac/HTTPMultipartUpload.m
new file mode 100644
index 00000000..e91cd0af
--- /dev/null
+++ b/src/common/mac/HTTPMultipartUpload.m
@@ -0,0 +1,176 @@
+// Copyright (c) 2006, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#import "HTTPMultipartUpload.h"
+
+@interface HTTPMultipartUpload(PrivateMethods)
+- (NSString *)multipartBoundary;
+- (NSData *)formDataForKey:(NSString *)key value:(NSString *)value;
+- (NSData *)formDataForFile:(NSString *)file name:(NSString *)name;
+@end
+
+@implementation HTTPMultipartUpload
+//=============================================================================
+#pragma mark -
+#pragma mark || Private ||
+//=============================================================================
+- (NSString *)multipartBoundary {
+  // The boundary has 27 '-' characters followed by 16 hex digits
+  return [NSString stringWithFormat:@"---------------------------%08X%08X",
+    rand(), rand()];
+}
+
+//=============================================================================
+- (NSData *)formDataForKey:(NSString *)key value:(NSString *)value {
+  NSString *escaped = 
+    [key stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
+  NSString *fmt =
+    @"--%@\r\nContent-Disposition: form-data; name=\"%@\"\r\n\r\n%@\r\n";
+  NSString *form = [NSString stringWithFormat:fmt, boundary_, escaped, value];
+
+  return [form dataUsingEncoding:NSUTF8StringEncoding];
+}
+
+//=============================================================================
+- (NSData *)formDataForFile:(NSString *)file name:(NSString *)name {
+  NSMutableData *data = [NSMutableData data];
+  NSString *escaped = 
+    [name stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
+  NSString *fmt = @"--%@\r\nContent-Disposition: form-data; name=\"%@\"; "
+    "filename=\"%@\"\r\nContent-Type: application/octet-stream\r\n\r\n";
+  NSString *pre = [NSString stringWithFormat:fmt, boundary_, escaped,
+    [file lastPathComponent]];
+  NSString *post = [NSString stringWithFormat:@"\r\n--%@--\r\n", boundary_];
+
+  [data appendData:[pre dataUsingEncoding:NSUTF8StringEncoding]];
+  [data appendData:[NSData dataWithContentsOfFile:file]];
+  [data appendData:[post dataUsingEncoding:NSUTF8StringEncoding]];
+
+  return data;
+}
+
+//=============================================================================
+#pragma mark -
+#pragma mark || Public ||
+//=============================================================================
+- (id)initWithURL:(NSURL *)url {
+  if ((self = [super init])) {
+    url_ = [url copy];
+    boundary_ = [[self multipartBoundary] retain];
+  }
+
+  return self;
+}
+
+//=============================================================================
+- (void)dealloc {
+  [url_ release];
+  [parameters_ release];
+  [files_ release];
+  [boundary_ release];
+  [response_ release];
+
+  [super dealloc];
+}
+
+//=============================================================================
+- (NSURL *)URL {
+  return url_;
+}
+
+//=============================================================================
+- (void)setParameters:(NSDictionary *)parameters {
+  if (parameters != parameters_) {
+    [parameters_ release];
+    parameters_ = [parameters copy];
+  }
+}
+
+//=============================================================================
+- (NSDictionary *)parameters {
+  return parameters_;
+}
+
+//=============================================================================
+- (void)addFileAtPath:(NSString *)path name:(NSString *)name {
+  if (!files_)
+    files_ = [[NSMutableArray alloc] init];
+
+  [files_ addObject:[NSDictionary dictionaryWithObject:name forKey:path]];
+}
+
+//=============================================================================
+- (NSArray *)files {
+  return files_;
+}
+
+//=============================================================================
+- (NSData *)send:(NSError **)error {
+  NSMutableURLRequest *req = [[NSMutableURLRequest alloc] initWithURL:url_];
+  NSMutableData *postBody = [NSMutableData data];
+  int i, count;
+
+  [req setValue:[NSString stringWithFormat:@"multipart/form-data; boundary=%@",
+    boundary_] forHTTPHeaderField:@"Content-type"];
+
+  // Add any parameters to the message
+  NSArray *parameterKeys = [parameters_ allKeys];
+  NSString *key;
+
+  count = [parameterKeys count];
+  for (i = 0; i < count; ++i) {
+    key = [parameterKeys objectAtIndex:i];
+    [postBody appendData:[self formDataForKey:key
+                                        value:[parameters_ objectForKey:key]]];
+  }
+
+  // Add any files to the message
+  count = [files_ count];
+  for (i = 0; i < count; ++i) {
+    NSDictionary *dict = [files_ objectAtIndex:i];
+    NSString *file = [[dict allKeys] objectAtIndex:0];
+    NSString *name = [dict objectForKey:file];
+
+    [postBody appendData:[self formDataForFile:file name:name]];
+  }
+
+  [req setHTTPBody:postBody];
+  [req setHTTPMethod:@"POST"];
+
+  return [NSURLConnection sendSynchronousRequest:req
+                               returningResponse:&response_
+                                           error:error];
+}
+
+//=============================================================================
+- (NSHTTPURLResponse *)response {
+  return response_;
+}
+
+@end