delete message on storage server
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e8f0d0d124
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@ -1010,11 +1010,17 @@ NSString *NSStringForOWSMessageCellType(OWSMessageCellType cellType)
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}) retainUntilComplete];
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} else {
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NSString *groupPublicKey = [LKGroupUtilities getDecodedGroupID:groupThread.groupModel.groupId];
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[SNSnodeAPI deleteMessageForPublickKey:groupPublicKey serverHash:message.serverHash];
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[[SNSnodeAPI deleteMessageForPublickKey:groupPublicKey serverHashes:@[message.serverHash]].catch(^(NSError *error) {
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// Roll back
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[self.interaction save];
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}) retainUntilComplete];
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}
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} else {
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TSContactThread *contactThread = (TSContactThread *)self.interaction.thread;
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[SNSnodeAPI deleteMessageForPublickKey:contactThread.contactSessionID serverHash:message.serverHash];
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[[SNSnodeAPI deleteMessageForPublickKey:contactThread.contactSessionID serverHashes:@[message.serverHash]].catch(^(NSError *error) {
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// Roll back
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[self.interaction save];
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}) retainUntilComplete];
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}
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}
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@ -454,52 +454,54 @@ public final class SnodeAPI : NSObject {
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return promise
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}
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@objc(deleteMessageForPublickKey:serverHash:)
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public static func objc_deleteMessage(publicKey: String, serverHash: String) -> AnyPromise {
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AnyPromise.from(deleteMessage(publicKey: publicKey, serverHash: serverHash))
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@objc(deleteMessageForPublickKey:serverHashes:)
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public static func objc_deleteMessage(publicKey: String, serverHashes: [String]) -> AnyPromise {
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AnyPromise.from(deleteMessage(publicKey: publicKey, serverHashes: serverHashes))
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}
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public static func deleteMessage(publicKey: String, serverHash: String) -> Promise<RawResponsePromise> {
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public static func deleteMessage(publicKey: String, serverHashes: [String]) -> Promise<[String:Bool]> {
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let storage = SNSnodeKitConfiguration.shared.storage
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guard let userX25519PublicKey = storage.getUserPublicKey(),
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let userED25519KeyPair = storage.getUserED25519KeyPair() else { return Promise(error: Error.noKeyPair) }
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let publicKey = Features.useTestnet ? publicKey.removing05PrefixIfNeeded() : publicKey
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let (promise, seal) = Promise<RawResponsePromise>.pending()
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Threading.workQueue.async {
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getTargetSnodes(for: publicKey).map2 { targetSnodes in
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let snode = targetSnodes.first!
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let verificationData = (Snode.Method.deleteMessage.rawValue + serverHash).data(using: String.Encoding.utf8)!
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return attempt(maxRetryCount: maxRetryCount, recoveringOn: Threading.workQueue) {
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getSwarm(for: publicKey).then2 { swarm -> Promise<[String:Bool]> in
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let snode = swarm.randomElement()!
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let verificationData = (Snode.Method.deleteMessage.rawValue + serverHashes.joined(separator: "")).data(using: String.Encoding.utf8)!
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guard let signature = sodium.sign.signature(message: Bytes(verificationData), secretKey: userED25519KeyPair.secretKey) else { throw Error.signingFailed }
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let parameters: JSON = [
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"pubkey" : userX25519PublicKey,
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"pubkey_ed25519" : userED25519KeyPair.publicKey.toHexString(),
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"messages": [serverHash],
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"messages": serverHashes,
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"signature": signature.toBase64()!
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]
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return attempt(maxRetryCount: maxRetryCount, recoveringOn: Threading.workQueue) {
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invoke(.deleteMessage, on: snode, associatedWith: publicKey, parameters: parameters).map2{ rawResponse -> RawResponse in
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guard let json = rawResponse as? JSON else { throw HTTP.Error.invalidJSON }
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var result = false
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let isFailed = json["failed"] as? Bool ?? false
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if !isFailed {
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guard let hashes = json["deleted"] as? [String], let signature = json["signature"] as? String else { throw HTTP.Error.invalidJSON }
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// The signature format is ( PUBKEY_HEX || RMSG[0] || ... || RMSG[N] || DMSG[0] || ... || DMSG[M] )
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let verificationData = (publicKey + serverHash + hashes.joined(separator: "")).data(using: String.Encoding.utf8)!
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let isValid = sodium.sign.verify(message: Bytes(verificationData), publicKey: Bytes(Data(hex: snode.publicKeySet.ed25519Key)), signature: Bytes(Data(base64Encoded: signature)!))
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result = isValid
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} else {
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if let reason = json["reason"] as? String, let statusCode = json["code"] as? String {
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SNLog("Couldn't delete message with hash: \(serverHash) due to error: \(reason) (\(statusCode)).")
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invoke(.deleteMessage, on: snode, associatedWith: publicKey, parameters: parameters).map2{ rawResponse -> [String:Bool] in
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guard let json = rawResponse as? JSON, let swarm = json["swarm"] as? JSON else { throw HTTP.Error.invalidJSON }
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var result: [String:Bool] = [:]
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for (snodePublicKey, rawJSON) in swarm {
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guard let json = rawJSON as? JSON else { throw HTTP.Error.invalidJSON }
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let isFailed = json["failed"] as? Bool ?? false
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if !isFailed {
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guard let hashes = json["deleted"] as? [String], let signature = json["signature"] as? String else { throw HTTP.Error.invalidJSON }
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// The signature format is ( PUBKEY_HEX || RMSG[0] || ... || RMSG[N] || DMSG[0] || ... || DMSG[M] )
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let verificationData = (userX25519PublicKey + serverHashes.joined(separator: "") + hashes.joined(separator: "")).data(using: String.Encoding.utf8)!
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let isValid = sodium.sign.verify(message: Bytes(verificationData), publicKey: Bytes(Data(hex: snodePublicKey)), signature: Bytes(Data(base64Encoded: signature)!))
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result[snodePublicKey] = isValid
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} else {
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SNLog("Couldn't delete message with hash: \(serverHash).")
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if let reason = json["reason"] as? String, let statusCode = json["code"] as? String {
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SNLog("Couldn't delete data from: \(snodePublicKey) due to error: \(reason) (\(statusCode)).")
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} else {
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SNLog("Couldn't delete data from: \(snodePublicKey).")
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}
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result[snodePublicKey] = false
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}
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}
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return result
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}
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}
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}.done2 { seal.fulfill($0) }.catch2 { seal.reject($0) }
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}
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}
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return promise
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}
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/// Clears all the user's data from their swarm. Returns a dictionary of snode public key to deletion confirmation.
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