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129 lines
5 KiB
Objective-C
129 lines
5 KiB
Objective-C
/*
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Copyright 2017 Vector Creations Ltd
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#import "Widget.h"
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#import "WidgetManager.h"
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@implementation Widget
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- (instancetype)initWithWidgetEvent:(MXEvent *)widgetEvent inMatrixSession:(MXSession*)mxSession
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{
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// TODO - Room widgets need to be moved to 'm.widget' state events
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// https://docs.google.com/document/d/1uPF7XWY_dXTKVKV7jZQ2KmsI19wn9-kFRgQ1tFQP7wQ/edit?usp=sharing
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if (![widgetEvent.type isEqualToString:kWidgetMatrixEventTypeString]
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&& ![widgetEvent.type isEqualToString:kWidgetModularEventTypeString])
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{
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// The Widget class works only with modular, aka "m.widget" or "im.vector.modular.widgets", widgets
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return nil;
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}
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self = [super init];
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if (self)
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{
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_widgetId = widgetEvent.stateKey;
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_widgetEvent = widgetEvent;
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_mxSession = mxSession;
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MXJSONModelSetString(_type, widgetEvent.content[@"type"]);
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MXJSONModelSetString(_url, widgetEvent.content[@"url"]);
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MXJSONModelSetString(_name, widgetEvent.content[@"name"]);
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MXJSONModelSetDictionary(_data, widgetEvent.content[@"data"]);
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}
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return self;
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}
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- (MXHTTPOperation *)widgetUrl:(void (^)(NSString * _Nonnull))success failure:(void (^)(NSError * _Nonnull))failure
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{
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// Format the url string with user data (including their scalar token)
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__weak typeof(self) weakSelf = self;
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return [[WidgetManager sharedManager] getScalarTokenForMXSession:_mxSession success:^(NSString *scalarToken) {
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if (weakSelf)
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{
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typeof(self) self = weakSelf;
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NSString *userId = self.mxSession.myUser.userId;
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NSString *displayName = self.mxSession.myUser.displayname ? self.mxSession.myUser.displayname : self.mxSession.myUser.userId;
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NSString *avatarUrl = self.mxSession.myUser.avatarUrl ? self.mxSession.myUser.avatarUrl : @"";
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// Escape everything to build a valid URL string
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userId = [userId stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
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displayName = [displayName stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
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avatarUrl = [avatarUrl stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
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NSString *widgetUrl = _url;
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widgetUrl = [widgetUrl stringByReplacingOccurrencesOfString:@"$matrix_user_id" withString:userId];
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widgetUrl = [widgetUrl stringByReplacingOccurrencesOfString:@"$matrix_display_name" withString:displayName];
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widgetUrl = [widgetUrl stringByReplacingOccurrencesOfString:@"$matrix_avatar_url" withString:avatarUrl];
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// Integrate widget data into widget url
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for (NSString *key in _data)
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{
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NSString *paramKey = [NSString stringWithFormat:@"$%@", key];
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NSString *dataString;
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MXJSONModelSetString(dataString, _data[key]);
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// Fix number data instead of expected string data
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if (!dataString && [_data[key] isKindOfClass:NSNumber.class])
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{
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dataString = [((NSNumber*)_data[key]) stringValue];
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}
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if (dataString)
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{
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NSString *value = [dataString stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
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widgetUrl = [widgetUrl stringByReplacingOccurrencesOfString:paramKey
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withString:value];
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}
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else
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{
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NSLog(@"[Widget] Error: Invalid data field value in %@ for key %@ in data %@", self, key, _data);
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}
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}
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// Add the user scalar token
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widgetUrl = [widgetUrl stringByAppendingString:[NSString stringWithFormat:@"%@scalar_token=%@",
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[widgetUrl containsString:@"?"] ? @"&" : @"?",
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scalarToken]];
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// Add the widget id
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widgetUrl = [widgetUrl stringByAppendingString:[NSString stringWithFormat:@"&widgetId=%@", _widgetId]];
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success(widgetUrl);
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}
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} failure:failure];
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}
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- (BOOL)isActive
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{
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return (_type != nil && _url != nil);
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}
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- (NSString *)roomId
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{
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return _widgetEvent.roomId;
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}
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- (NSString *)description
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{
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return [NSString stringWithFormat:@"<Widget: %p> id: %@ - type: %@ - name: %@ - url: %@", self, _widgetId, _type, _name, _url];
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}
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@end
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