com.virgilsecurity.keyknox.client.KeyknoxClient.kt Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of sdk Show documentation
Show all versions of sdk Show documentation
Virgil is a stack of security libraries (ECIES with Crypto Agility wrapped in Virgil Cryptogram) and all the necessary infrastructure to enable seamless, end-to-end encryption for any application, platform or device.
Learn about Virgil Java/Android SDK https://virgilsecurity.com/api-docs/java-android/quickstart
/*
* Copyright (c) 2015-2020, Virgil Security, Inc.
*
* Lead Maintainer: Virgil Security Inc.
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* (1) Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* (2) Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* (3) Neither the name of virgil nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.virgilsecurity.keyknox.client
import com.google.gson.reflect.TypeToken
import com.virgilsecurity.keyknox.client.model.*
import com.virgilsecurity.keyknox.exception.EmptyIdentitiesException
import com.virgilsecurity.keyknox.exception.InvalidHashHeaderException
import com.virgilsecurity.keyknox.model.DecryptedKeyknoxValue
import com.virgilsecurity.keyknox.model.EncryptedKeyknoxValue
import com.virgilsecurity.keyknox.utils.base64Decode
import com.virgilsecurity.keyknox.utils.base64Encode
import com.virgilsecurity.sdk.jwt.TokenContext
import com.virgilsecurity.sdk.jwt.contract.AccessTokenProvider
import com.virgilsecurity.sdk.utils.ConvertionUtils
import java.net.URL
/**
* KeyknoxClientProtocol implementation.
*/
class KeyknoxClient : KeyknoxClientProtocol {
val serviceUrl: URL
val httpClient: HttpClient
@JvmOverloads constructor(accessTokenProvider: AccessTokenProvider,
serviceUrl: URL = URL("https://api.virgilsecurity.com")) {
this.serviceUrl = serviceUrl
this.httpClient = HttpClient(accessTokenProvider)
}
@JvmOverloads constructor(
httpClient: HttpClient,
serviceUrl: URL = URL("https://api.virgilsecurity.com")
) {
this.serviceUrl = serviceUrl
this.httpClient = httpClient
}
override fun getKeys(params: KeyknoxGetKeysParams): Set {
val requestData = GetKeysData(params.root, params.path, params.identity)
val url = URL(this.serviceUrl, "keyknox/v2/keys")
val tokenContext = TokenContext("keyknox", "get")
val response = this.httpClient.send(url, Method.POST, tokenContext, requestData)
val listType = object : TypeToken>() {}.type
val keys = ConvertionUtils.getGson().fromJson>(response.body, listType)
return keys
}
override fun deleteRecipient(params: KeyknoxDeleteRecipientParams): DecryptedKeyknoxValue {
val requestData = DeleteRecipientData(params.root, params.path, params.key, params.identity)
val url = URL(this.serviceUrl, "keyknox/v2/reset")
val tokenContext = TokenContext("keyknox", "delete")
val response = this.httpClient.send(url, Method.POST, tokenContext, requestData)
val hashCode = extractKeyknoxHash(response)
val keyknoxData =
ConvertionUtils.getGson().fromJson(response.body, KeyknoxDataV2::class.java)
val keyknoxValue = DecryptedKeyknoxValue(keyknoxData, hashCode)
return keyknoxValue
}
override fun pushValue(
params: KeyknoxPushParams?,
meta: ByteArray,
value: ByteArray,
previousHash: ByteArray?
): EncryptedKeyknoxValue {
val requestData = PushValueData(meta, value)
val headers = hashMapOf()
previousHash?.let {
headers[VIRGIL_KEYKNOX_PREVIOUS_HASH_KEY] = base64Encode(previousHash)
}
val keyknoxValue: EncryptedKeyknoxValue
val tokenContext = TokenContext("keyknox", "put")
if (params == null) {
val url = URL(this.serviceUrl, "keyknox/v1")
val response = this.httpClient.send(url, Method.PUT, tokenContext, requestData, headers)
keyknoxValue = extractEncryptedKeyknoxValueV1(response)
} else {
if (params.identities.isEmpty()) {
throw EmptyIdentitiesException()
}
requestData.root = params.root
requestData.path = params.path
requestData.key = params.key
requestData.identities = params.identities
val url = URL(this.serviceUrl, "keyknox/v2/push")
val response = this.httpClient.send(url, Method.POST, tokenContext, requestData, headers)
keyknoxValue = extractEncryptedKeyknoxValueV2(response)
}
return keyknoxValue
}
override fun pullValue(params: KeyknoxPullParams?): EncryptedKeyknoxValue {
val keyknoxValue: EncryptedKeyknoxValue
val tokenContext = TokenContext("keyknox", "get")
if (params == null) {
val url = URL(this.serviceUrl, "keyknox/v1")
val response = this.httpClient.send(url, Method.GET, tokenContext)
keyknoxValue = extractEncryptedKeyknoxValueV1(response)
} else {
val requestData = PullValueData(params.root, params.path, params.key, params.identity)
val url = URL(this.serviceUrl, "keyknox/v2/pull")
val response = this.httpClient.send(url, Method.POST, tokenContext, requestData)
keyknoxValue = extractEncryptedKeyknoxValueV2(response)
}
return keyknoxValue
}
override fun resetValue(params: KeyknoxResetParams?): DecryptedKeyknoxValue {
var keyknoxValue: DecryptedKeyknoxValue
val tokenContext = TokenContext("keyknox", "delete")
if (params == null) {
val url = URL(this.serviceUrl, "keyknox/v1/reset")
val response = this.httpClient.send(url, Method.POST, tokenContext)
val hashCode = extractKeyknoxHash(response)
val keyknoxData =
ConvertionUtils.getGson().fromJson(response.body, KeyknoxData::class.java)
val identity = response.accessToken.identity
keyknoxValue = DecryptedKeyknoxValue(keyknoxData, hashCode, identity)
} else {
val requestData = ResetValueData(params.root, params.path, params.key)
val url = URL(this.serviceUrl, "keyknox/v2/reset")
val response = this.httpClient.send(url, Method.POST, tokenContext, requestData)
val hashCode = extractKeyknoxHash(response)
val keyknoxData =
ConvertionUtils.getGson().fromJson(response.body, KeyknoxDataV2::class.java)
keyknoxValue = DecryptedKeyknoxValue(keyknoxData, hashCode)
}
return keyknoxValue
}
private fun extractKeyknoxHash(response: Response): ByteArray {
val hashStr = response.headers[VIRGIL_KEYKNOX_HASH_KEY] ?: throw InvalidHashHeaderException()
val hash = base64Decode(hashStr)
return hash
}
private fun extractEncryptedKeyknoxValueV1(response: Response): EncryptedKeyknoxValue {
val hashCode = extractKeyknoxHash(response)
val keyknoxData = ConvertionUtils.getGson().fromJson(response.body, KeyknoxData::class.java)
val identity = response.accessToken.identity
return EncryptedKeyknoxValue(keyknoxData, hashCode, identity)
}
private fun extractEncryptedKeyknoxValueV2(response: Response): EncryptedKeyknoxValue {
val hashCode = extractKeyknoxHash(response)
val keyknoxData =
ConvertionUtils.getGson().fromJson(response.body, KeyknoxDataV2::class.java)
return EncryptedKeyknoxValue(keyknoxData, hashCode)
}
companion object {
const val VIRGIL_KEYKNOX_HASH_KEY = "virgil-keyknox-hash"
const val VIRGIL_KEYKNOX_PREVIOUS_HASH_KEY = "virgil-keyknox-previous-hash"
const val DEFAULT_ROOT = "DEFAULT_ROOT"
const val DEFAULT_PATH = "DEFAULT_PATH"
const val DEFAULT_KEY = "DEFAULT_KEY"
}
}