- OCHTTPRequest: add support for custom timeouts

- OCConnection: increase timeout for infinite PROPFIND to 6 minutes using new custom timeouts, in case a proxy first

ownCloudSDK/Connection/OCConnection.m

@@ -1802,6 +1802,11 @@ - (NSProgress *)retrieveItemListAtPath:(OCPath)path depth:(NSUInteger)depth opti
 			davRequest.downloadRequest = YES;
 			davRequest.priority = NSURLSessionTaskPriorityHigh;
 			davRequest.forceCertificateDecisionDelegation = YES;
+			if (depth == OCPropfindDepthInfinity)
+			{
+				// Extend timeout to 5 minutes for infinite PROPFIND
+				davRequest.customTimeout =  @(5 * 60.0);
+			}
 
 			if (options[OCConnectionOptionRequestObserverKey] != nil)
 			{

ownCloudSDK/HTTP/Request/OCHTTPRequest.h

@@ -106,6 +106,8 @@ typedef NSDictionary<OCHTTPRequestResumeInfoKey,id>* OCHTTPRequestResumeInfo;
 @property(strong) OCEventTarget *eventTarget;		//!< The target the parsed result should be delivered to as an event.
 @property(strong) NSDictionary *userInfo;		//!< User-info for free use. All contents should be serializable.
 
+@property(strong) NSNumber *customTimeout; 		//!< Custom timeout in seconds for request.
+
 @property(assign) OCHTTPRequestPriority priority; //!< Priority of the request from 0.0 (lowest priority) to 1.0 (highest priority). Defaults to NSURLSessionTaskPriorityDefault (= 0.5).
 @property(strong) OCHTTPRequestGroupID groupID; 	//!< ID of the Group the request belongs to (if any). Requests in the same group are executed serially, whereas requests that belong to no group are executed as soon as possible.
 

ownCloudSDK/HTTP/Request/OCHTTPRequest.m

@@ -281,8 +281,14 @@ - (void)prepareForScheduling
 - (NSMutableURLRequest *)generateURLRequest
 {
 	NSMutableURLRequest *urlRequest;
-
-	if ((urlRequest = [[NSMutableURLRequest alloc] initWithURL:self.effectiveURL cachePolicy:NSURLRequestReloadIgnoringCacheData timeoutInterval:60]) != nil)
+	NSTimeInterval timeoutInterval = 60;
+
+	if (self.customTimeout != nil)
+	{
+		timeoutInterval = self.customTimeout.doubleValue;
+	}
+
+	if ((urlRequest = [[NSMutableURLRequest alloc] initWithURL:self.effectiveURL cachePolicy:NSURLRequestReloadIgnoringCacheData timeoutInterval:timeoutInterval]) != nil)
 	{
 		// Apply method
 		urlRequest.HTTPMethod = self.method;
@@ -589,6 +595,8 @@ - (instancetype)initWithCoder:(NSCoder *)decoder
 		self.eventTarget 	= [decoder decodeObjectOfClass:[OCEventTarget class] forKey:@"eventTarget"];
 		self.userInfo	 	= [decoder decodeObjectOfClasses:OCEvent.safeClasses forKey:@"userInfo"];
 
+		self.customTimeout	= [decoder decodeObjectOfClass:NSNumber.class forKey:@"customTimeout"];
+
 		self.priority		= [decoder decodeFloatForKey:@"priority"];
 		self.groupID		= [decoder decodeObjectOfClass:[NSString class] forKey:@"groupID"];
 
@@ -644,6 +652,8 @@ - (void)encodeWithCoder:(NSCoder *)coder
 	[coder encodeObject:_eventTarget 	forKey:@"eventTarget"];
 	[coder encodeObject:_userInfo 		forKey:@"userInfo"];
 
+	[coder encodeObject:_customTimeout	forKey:@"customTimeout"];
+
 	[coder encodeFloat:_priority 		forKey:@"priority"];
 	[coder encodeObject:_groupID 		forKey:@"groupID"];