Attachment uploading support

kordophone/Bridge/Operations/MBIMUploadAttachmentOperation.m

@@ -0,0 +1,66 @@
+//
+//  MBIMUploadAttachmentOperation.m
+//  kordophoned
+//
+//  Created by James Magahern on 1/16/19.
+//  Copyright © 2019 James Magahern. All rights reserved.
+//
+
+#import "MBIMUploadAttachmentOperation.h"
+#import "MBIMDataResponse.h"
+
+#import <IMCore/IMCore.h>
+
+@implementation MBIMUploadAttachmentOperation
+
++ (void)load { [super load]; }
+
++ (NSString *)endpointName
+{
+    return @"uploadAttachment";
+}
+
+- (void)main
+{
+    NSObject<HTTPResponse> *response = nil;
+    do {
+        NSString *filename = [self valueForQueryItemWithName:@"filename"];
+        if ([filename length] == 0) {
+            NSLog(@"No filename provided");
+            response = [[HTTPErrorResponse alloc] initWithErrorCode:500];
+            break;
+        }
+        
+        NSData *attachmentData = self.requestBodyData;
+        if ([attachmentData length] == 0) {
+            NSLog(@"No attachment data in request");
+            response = [[HTTPErrorResponse alloc] initWithErrorCode:500];
+            break;
+        }
+        
+        NSString *localPath = [NSTemporaryDirectory() stringByAppendingPathComponent:filename];
+        NSURL *localURL = [NSURL fileURLWithPath:localPath];
+        BOOL success = [attachmentData writeToURL:localURL atomically:NO];
+        if (!success) {
+            NSLog(@"Error writing attachment to temporary directory");
+            response = [[HTTPErrorResponse alloc] initWithErrorCode:500];
+            break;
+        }
+        
+        NSString *guid = [[IMFileTransferCenter sharedInstance] guidForNewOutgoingTransferWithLocalURL:localURL];
+        if (!guid) {
+            NSLog(@"There was some problem shuttling the file to IMCore");
+            response = [[HTTPErrorResponse alloc] initWithErrorCode:500];
+            break;
+        }
+        
+        NSDictionary *responseDict = @{
+            @"fileTransferGUID" : guid
+        };
+        response = [MBIMJSONDataResponse responseWithJSONObject:responseDict];
+    } while (0);
+    
+    self.serverCompletionBlock(response);
+}
+
+@end