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Fix clock out of sync error not propagating

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pull/220/head
nielsandriesse 5 years ago
parent 042535778b
commit f0d56cdab0
5 changed files with 21 additions and 16 deletions
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8
SignalServiceKit/src/Loki/API/LokiFileServerProxy.swift
Unescape Escape View File

@ -58,7 +58,7 @@ internal class LokiFileServerProxy : LokiHTTPClient {
let parametersAsString: String
if let tsRequest = request as? TSRequest {
headers["Content-Type"] = "application/json"
let parametersAsData = try JSONSerialization.data(withJSONObject: tsRequest.parameters, options: [])
let parametersAsData = try JSONSerialization.data(withJSONObject: tsRequest.parameters, options: [ .fragmentsAllowed ])
parametersAsString = !tsRequest.parameters.isEmpty ? String(bytes: parametersAsData, encoding: .utf8)! : "null"
} else {
headers["Content-Type"] = request.allHTTPHeaderFields!["Content-Type"]
@ -74,7 +74,7 @@ internal class LokiFileServerProxy : LokiHTTPClient {
"method" : request.httpMethod,
"headers" : headers
]
let proxyRequestParametersAsData = try JSONSerialization.data(withJSONObject: proxyRequestParameters, options: [])
let proxyRequestParametersAsData = try JSONSerialization.data(withJSONObject: proxyRequestParameters, options: [ .fragmentsAllowed ])
let ivAndCipherText = try DiffieHellman.encrypt(proxyRequestParametersAsData, using: symmetricKey)
let base64EncodedPublicKey = Data(hex: keyPair.hexEncodedPublicKey).base64EncodedString() // The file server expects an 05 prefixed public key
let proxyRequestHeaders = [
@ -103,7 +103,7 @@ internal class LokiFileServerProxy : LokiHTTPClient {
task.resume()
return promise
}.map2 { rawResponse in
guard let responseAsData = rawResponse as? Data, let responseAsJSON = try? JSONSerialization.jsonObject(with: responseAsData, options: .allowFragments) as? JSON, let base64EncodedCipherText = responseAsJSON["data"] as? String,
guard let responseAsData = rawResponse as? Data, let responseAsJSON = try? JSONSerialization.jsonObject(with: responseAsData, options: [ .fragmentsAllowed ]) as? JSON, let base64EncodedCipherText = responseAsJSON["data"] as? String,
let meta = responseAsJSON["meta"] as? JSON, let statusCode = meta["code"] as? Int, let cipherText = Data(base64Encoded: base64EncodedCipherText) else {
print("[Loki] Received an invalid response.")
throw Error.proxyResponseParsingFailed
@ -112,7 +112,7 @@ internal class LokiFileServerProxy : LokiHTTPClient {
guard isSuccess else { throw HTTPError.networkError(code: statusCode, response: nil, underlyingError: Error.fileServerHTTPError(code: statusCode, message: nil)) }
let uncheckedJSONAsData = try DiffieHellman.decrypt(cipherText, using: symmetricKey)
if uncheckedJSONAsData.isEmpty { return () }
let uncheckedJSON = try? JSONSerialization.jsonObject(with: uncheckedJSONAsData, options: .allowFragments) as? JSON
let uncheckedJSON = try? JSONSerialization.jsonObject(with: uncheckedJSONAsData, options: [ .fragmentsAllowed ]) as? JSON
guard let json = uncheckedJSON else { throw HTTPError.networkError(code: -1, response: nil, underlyingError: Error.proxyResponseParsingFailed) }
return json
}.done2 { rawResponse in

2
SignalServiceKit/src/Loki/API/LokiHTTPClient.swift
Unescape Escape View File

@ -44,7 +44,7 @@ public extension LokiHTTPClient {
if case NetworkManagerError.taskError(_, let underlyingError) = error, let nsError = underlyingError as? NSError {
var response = nsError.userInfo[AFNetworkingOperationFailingURLResponseDataErrorKey]
// Deserialize response if needed
if let data = response as? Data, let json = try? JSONSerialization.jsonObject(with: data, options: []) as? JSON {
if let data = response as? Data, let json = try? JSONSerialization.jsonObject(with: data, options: [ .fragmentsAllowed ]) as? JSON {
response = json
}
return LokiHTTPClient.HTTPError.networkError(code: error.statusCode, response: response, underlyingError: underlyingError)

6
SignalServiceKit/src/Loki/API/Onion Requests/OnionRequestAPI+Encryption.swift
Unescape Escape View File

@ -36,11 +36,11 @@ extension OnionRequestAPI {
DispatchQueue.global(qos: .userInitiated).async {
do {
guard JSONSerialization.isValidJSONObject(payload) else { return seal.reject(HTTP.Error.invalidJSON) }
let payloadAsData = try JSONSerialization.data(withJSONObject: payload, options: [])
let payloadAsData = try JSONSerialization.data(withJSONObject: payload, options: [ .fragmentsAllowed ])
let payloadAsString = String(data: payloadAsData, encoding: .utf8)! // Snodes only accept this as a string
let wrapper: JSON = [ "body" : payloadAsString, "headers" : "" ]
guard JSONSerialization.isValidJSONObject(wrapper) else { return seal.reject(HTTP.Error.invalidJSON) }
let plaintext = try JSONSerialization.data(withJSONObject: wrapper, options: [])
let plaintext = try JSONSerialization.data(withJSONObject: wrapper, options: [ .fragmentsAllowed ])
let result = try encrypt(plaintext, forSnode: snode)
seal.fulfill(result)
} catch (let error) {
@ -61,7 +61,7 @@ extension OnionRequestAPI {
]
do {
guard JSONSerialization.isValidJSONObject(parameters) else { return seal.reject(HTTP.Error.invalidJSON) }
let plaintext = try JSONSerialization.data(withJSONObject: parameters, options: [])
let plaintext = try JSONSerialization.data(withJSONObject: parameters, options: [ .fragmentsAllowed ])
let result = try encrypt(plaintext, forSnode: lhs)
seal.fulfill(result)
} catch (let error) {

17
SignalServiceKit/src/Loki/API/Onion Requests/OnionRequestAPI.swift
Unescape Escape View File

@ -228,12 +228,17 @@ public enum OnionRequestAPI {
let gcm = GCM(iv: iv.bytes, tagLength: Int(gcmTagSize), mode: .combined)
let aes = try AES(key: targetSnodeSymmetricKey.bytes, blockMode: gcm, padding: .noPadding)
let data = Data(try aes.decrypt(ciphertext.bytes))
guard let json = try JSONSerialization.jsonObject(with: data, options: []) as? JSON,
let bodyAsString = json["body"] as? String, let bodyAsData = bodyAsString.data(using: .utf8),
let body = try JSONSerialization.jsonObject(with: bodyAsData, options: []) as? JSON,
let statusCode = json["status"] as? Int else { return seal.reject(HTTP.Error.invalidJSON) }
guard 200...299 ~= statusCode else { return seal.reject(Error.httpRequestFailedAtTargetSnode(statusCode: UInt(statusCode), json: body)) }
seal.fulfill(body)
guard let json = try JSONSerialization.jsonObject(with: data, options: [ .fragmentsAllowed ]) as? JSON,
let bodyAsString = json["body"] as? String, let statusCode = json["status"] as? Int else { return seal.reject(HTTP.Error.invalidJSON) }
if statusCode == 406 { // Clock out of sync
print("[Loki] The user's clock is out of sync with the service node network.")
seal.reject(LokiAPI.LokiAPIError.clockOutOfSync)
} else {
guard let bodyAsData = bodyAsString.data(using: .utf8),
let body = try JSONSerialization.jsonObject(with: bodyAsData, options: [ .fragmentsAllowed ]) as? JSON else { return seal.reject(HTTP.Error.invalidJSON) }
guard 200...299 ~= statusCode else { return seal.reject(Error.httpRequestFailedAtTargetSnode(statusCode: UInt(statusCode), json: body)) }
seal.fulfill(body)
}
} catch (let error) {
seal.reject(error)
}

4
SignalServiceKit/src/Loki/API/Utilities/HTTP.swift
Unescape Escape View File

@ -46,7 +46,7 @@ internal enum HTTP {
if let parameters = parameters {
do {
guard JSONSerialization.isValidJSONObject(parameters) else { return Promise(error: Error.invalidJSON) }
request.httpBody = try JSONSerialization.data(withJSONObject: parameters, options: [])
request.httpBody = try JSONSerialization.data(withJSONObject: parameters, options: [ .fragmentsAllowed ])
} catch (let error) {
return Promise(error: error)
}
@ -70,7 +70,7 @@ internal enum HTTP {
}
let statusCode = UInt(response.statusCode)
var json: JSON? = nil
if let j = try? JSONSerialization.jsonObject(with: data, options: []) as? JSON {
if let j = try? JSONSerialization.jsonObject(with: data, options: [ .fragmentsAllowed ]) as? JSON {
json = j
} else if let result = String(data: data, encoding: .utf8) {
json = [ "result" : result ]

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