mirror of
https://github.com/vector-im/element-ios.git
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68 lines
2.3 KiB
Swift
68 lines
2.3 KiB
Swift
//
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// Copyright 2020 New Vector Ltd
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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 Foundation
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enum CustomSchemeURLParserError: Error {
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case unknownHost
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case invalidParameters
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case unknown
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}
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/// CustomSchemeURLParser enables to parse custom scheme URL
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class CustomSchemeURLParser {
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func parse(url: URL, options: [UIApplication.OpenURLOptionsKey: Any]) throws -> DeepLinkOption {
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guard let host = url.host else {
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throw CustomSchemeURLParserError.unknownHost
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}
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guard let urlComponents = URLComponents(url: url, resolvingAgainstBaseURL: false) else {
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throw CustomSchemeURLParserError.unknown
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}
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let deepLinkOption: DeepLinkOption
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switch host {
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case CustomSchemeURLConstants.Hosts.connect:
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if let deepLinkOpt = self.buildDeepLinkConnect(from: urlComponents) {
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deepLinkOption = deepLinkOpt
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} else {
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throw CustomSchemeURLParserError.invalidParameters
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}
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default:
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throw CustomSchemeURLParserError.unknownHost
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}
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return deepLinkOption
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}
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private func buildDeepLinkConnect(from urlComponents: URLComponents) -> DeepLinkOption? {
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guard let queryItems = urlComponents.queryItems, queryItems.isEmpty == false else {
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return nil
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}
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guard let loginToken = urlComponents.vc_getQueryItemValue(for: SSOURLConstants.Parameters.callbackLoginToken) else {
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return nil
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}
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guard let txnId = urlComponents.vc_getQueryItemValue(for: CustomSchemeURLConstants.Parameters.transactionId) else {
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return nil
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}
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return DeepLinkOption.connect(loginToken, txnId)
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}
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}
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