mirror of
https://github.com/servalproject/serval-dna.git
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241 lines
11 KiB
Swift
241 lines
11 KiB
Swift
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/*
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Serval DNA Swift API
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Copyright (C) 2016 Flinders University
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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import Foundation
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public class ServalKeyring {
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public struct Identity {
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public let sid : SubscriberId
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public let identity : SubscriberId
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public let did : String?
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public let name : String?
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}
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public static func listIdentities(client: ServalRestfulClient = ServalRestfulClient(),
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pin: String? = nil,
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completionHandler: @escaping ([Identity]?, Error?) -> Void)
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-> ServalRestfulClient.Request
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{
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var param = [String: String]()
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if pin != nil { param["pin"] = pin }
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return client.createRequest(path: "restful/keyring/identities.json",
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query: param) { (statusCode, json, error) in
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if let error = error {
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completionHandler(nil, error)
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return
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}
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guard statusCode! == 200 else {
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completionHandler(nil, ServalRestfulClient.Exception.requestFailed(statusCode: statusCode!))
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return
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}
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guard let json_top = json as? [String: Any] else {
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completionHandler(nil, ServalRestfulClient.Exception.invalidJson(reason: "root is not JSON object"))
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return
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}
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var column_count = 0
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var sid_index = -1
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var identity_index = -1
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var did_index = -1
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var name_index = -1
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guard let header = json_top["header"] as? [String] else {
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completionHandler(nil, ServalRestfulClient.Exception.invalidJson(reason: "missing 'header' element"))
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return
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}
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for text in header {
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if text == "sid" {
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sid_index = column_count
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}
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else if text == "identity" {
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identity_index = column_count
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}
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else if text == "did" {
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did_index = column_count
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}
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else if text == "name" {
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name_index = column_count
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}
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column_count += 1
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}
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guard sid_index != -1 else {
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completionHandler(nil, ServalRestfulClient.Exception.invalidJson(reason: "missing 'sid' column"))
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return
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}
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guard identity_index != -1 else {
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completionHandler(nil, ServalRestfulClient.Exception.invalidJson(reason: "missing 'identity' column"))
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return
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}
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guard let rows = json_top["rows"] as? [[Any]] else {
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completionHandler(nil, ServalRestfulClient.Exception.invalidJson(reason: "missing 'rows' element"))
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return
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}
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var identities : [Identity] = []
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for row in rows {
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guard row.count == column_count else {
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completionHandler(nil, ServalRestfulClient.Exception.invalidJson(reason: "row has \(row.count) elements; should be \(column_count)"))
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return
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}
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var opt_sid : SubscriberId?
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var opt_identity : SubscriberId?
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var did : String?
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var name : String?
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if sid_index != -1 {
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guard let hex = row[sid_index] as? String else {
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completionHandler(nil, ServalRestfulClient.Exception.invalidJson(reason: "sid value is not String"))
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return
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}
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opt_sid = SubscriberId(fromHex: hex)
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guard opt_sid != nil else {
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completionHandler(nil, ServalRestfulClient.Exception.invalidJson(reason: "sid value is not hex: \(hex)"))
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return
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}
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}
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if identity_index != -1 {
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guard let hex = row[identity_index] as? String else {
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completionHandler(nil, ServalRestfulClient.Exception.invalidJson(reason: "identity value is not String"))
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return
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}
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opt_identity = SubscriberId(fromHex: hex)
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guard opt_sid != nil else {
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completionHandler(nil, ServalRestfulClient.Exception.invalidJson(reason: "identity value is not hex: \(hex)"))
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return
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}
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}
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if did_index != -1 {
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let value = row[did_index]
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if value as? NSNull == nil {
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guard let text = value as? String else {
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completionHandler(nil, ServalRestfulClient.Exception.invalidJson(reason: "did value is not String: \(value)"))
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return
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}
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if !text.isEmpty {
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did = text
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}
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}
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}
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if name_index != -1 {
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let value = row[name_index]
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if value as? NSNull == nil {
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guard let text = value as? String else {
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completionHandler(nil, ServalRestfulClient.Exception.invalidJson(reason: "name value is not String: \(value)"))
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return
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}
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if !text.isEmpty {
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name = text
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}
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}
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}
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identities.append(Identity(sid: opt_sid!, identity: opt_identity!, did: did, name: name))
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}
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completionHandler(identities, nil)
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}!
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}
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private static func singleIdentityRequest(client: ServalRestfulClient = ServalRestfulClient(),
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path: String,
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query: [String: String] = [:],
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successStatusCodes: Set<Int> = [200],
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completionHandler: @escaping (Identity?, Error?) -> Void)
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-> ServalRestfulClient.Request
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{
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return client.createRequest(path: path, query: query) { (statusCode, json, error) in
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if let error = error {
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completionHandler(nil, error)
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return
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}
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guard successStatusCodes.contains(statusCode!) else {
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completionHandler(nil, ServalRestfulClient.Exception.requestFailed(statusCode: statusCode!))
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return
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}
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guard let json_top = json as? [String: Any] else {
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completionHandler(nil, ServalRestfulClient.Exception.invalidJson(reason: "root is not JSON object"))
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return
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}
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guard let json_identity = json_top["identity"] as? [String: Any] else {
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completionHandler(nil, ServalRestfulClient.Exception.invalidJson(reason: "'identity' is not JSON object"))
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return
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}
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guard let sid_hex = json_identity["sid"] as? String else {
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completionHandler(nil, ServalRestfulClient.Exception.invalidJson(reason: "'sid' is not String"))
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return
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}
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guard let identity_hex = json_identity["identity"] as? String else {
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completionHandler(nil, ServalRestfulClient.Exception.invalidJson(reason: "'identity' is not String"))
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return
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}
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guard let sid = SubscriberId(fromHex: sid_hex) else {
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completionHandler(nil, ServalRestfulClient.Exception.invalidJson(reason: "invalid 'sid': \(sid_hex)"))
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return
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}
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guard let identity = SubscriberId(fromHex: identity_hex) else {
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completionHandler(nil, ServalRestfulClient.Exception.invalidJson(reason: "invalid 'identity': \(identity_hex)"))
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return
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}
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let did = json_identity["did"] as? String ?? ""
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let name = json_identity["name"] as? String ?? ""
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completionHandler(Identity(sid: sid, identity: identity, did: did, name: name), nil)
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}!
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}
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public static func addIdentity(client: ServalRestfulClient = ServalRestfulClient(),
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did: String? = nil,
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name: String? = nil,
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pin: String? = nil,
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completionHandler: @escaping (Identity?, Error?) -> Void)
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-> ServalRestfulClient.Request
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{
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var param = [String: String]()
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if did != nil { param["did"] = did }
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if name != nil { param["name"] = name }
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if pin != nil { param["pin"] = pin }
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return self.singleIdentityRequest(client: client,
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path: "restful/keyring/add",
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query: param,
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successStatusCodes: [201],
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completionHandler: completionHandler)
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}
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public static func removeIdentity(client: ServalRestfulClient = ServalRestfulClient(),
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sid: SubscriberId,
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pin: String? = nil,
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completionHandler: @escaping (Identity?, Error?) -> Void)
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-> ServalRestfulClient.Request
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{
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var param = [String: String]()
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if pin != nil { param["pin"] = pin }
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return self.singleIdentityRequest(client: client, path: "restful/keyring/\(sid.hexUpper)/remove", query: param, completionHandler: completionHandler)
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}
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public static func setIdentity(client: ServalRestfulClient = ServalRestfulClient(),
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sid: SubscriberId,
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did: String? = nil,
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name: String? = nil,
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pin: String? = nil,
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completionHandler: @escaping (Identity?, Error?) -> Void)
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-> ServalRestfulClient.Request
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{
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var param = [String: String]()
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if did != nil { param["did"] = did }
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if name != nil { param["name"] = name }
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if pin != nil { param["pin"] = pin }
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return self.singleIdentityRequest(client: client, path: "restful/keyring/\(sid.hexUpper)/set", query: param, completionHandler: completionHandler)
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}
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}
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