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| 1 | +/* |
| 2 | + * Copyright (c) 2023 New Vector Ltd |
| 3 | + * |
| 4 | + * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | + * you may not use this file except in compliance with the License. |
| 6 | + * You may obtain a copy of the License at |
| 7 | + * |
| 8 | + * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | + * |
| 10 | + * Unless required by applicable law or agreed to in writing, software |
| 11 | + * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | + * See the License for the specific language governing permissions and |
| 14 | + * limitations under the License. |
| 15 | + */ |
| 16 | + |
| 17 | +package im.vector.app.features.call.conference.jwt |
| 18 | + |
| 19 | +import com.squareup.moshi.JsonAdapter |
| 20 | +import com.squareup.moshi.Moshi |
| 21 | +import com.squareup.moshi.Types |
| 22 | +import org.junit.Assert.assertEquals |
| 23 | +import org.junit.Assert.assertFalse |
| 24 | +import org.junit.Assert.assertTrue |
| 25 | +import org.junit.Before |
| 26 | +import org.junit.Test |
| 27 | +import org.matrix.android.sdk.api.session.openid.OpenIdToken |
| 28 | +import java.lang.reflect.ParameterizedType |
| 29 | +import java.util.Base64 |
| 30 | +import kotlin.streams.toList |
| 31 | + |
| 32 | +class JitsiJWTFactoryTest { |
| 33 | + private val base64Decoder = Base64.getUrlDecoder() |
| 34 | + private val moshi = Moshi.Builder().build() |
| 35 | + private val stringToString = Types.newParameterizedType(Map::class.java, String::class.java, String::class.java) |
| 36 | + private val stringToAny = Types.newParameterizedType(Map::class.java, String::class.java, Any::class.java) |
| 37 | + private lateinit var factory: JitsiJWTFactory |
| 38 | + |
| 39 | + @Before |
| 40 | + fun init() { |
| 41 | + factory = JitsiJWTFactory() |
| 42 | + } |
| 43 | + |
| 44 | + @Test |
| 45 | + fun `token contains 3 encoded parts`() { |
| 46 | + val token = createToken() |
| 47 | + |
| 48 | + val parts = token.split(".") |
| 49 | + assertEquals(3, parts.size) |
| 50 | + parts.forEach { |
| 51 | + assertTrue("Non-empty array", base64Decoder.decode(it).isNotEmpty()) |
| 52 | + } |
| 53 | + } |
| 54 | + |
| 55 | + @Test |
| 56 | + fun `token contains unique signature`() { |
| 57 | + val signatures = listOf("one", "two").stream() |
| 58 | + .map { createToken(it) } |
| 59 | + .map { it.split(".")[2] } |
| 60 | + .map { base64Decoder.decode(it) } |
| 61 | + .toList() |
| 62 | + |
| 63 | + assertEquals(2, signatures.size) |
| 64 | + signatures.forEach { |
| 65 | + assertEquals(32, it.size) |
| 66 | + } |
| 67 | + assertFalse("Unique", signatures[0].contentEquals(signatures[1])) |
| 68 | + } |
| 69 | + |
| 70 | + @Test |
| 71 | + fun `token header contains algorithm`() { |
| 72 | + val token = createToken() |
| 73 | + |
| 74 | + assertEquals("HS256", parseTokenHeader(token)["alg"]) |
| 75 | + } |
| 76 | + |
| 77 | + @Test |
| 78 | + fun `token header contains type`() { |
| 79 | + val token = createToken() |
| 80 | + |
| 81 | + assertEquals("JWT", parseTokenHeader(token)["typ"]) |
| 82 | + } |
| 83 | + |
| 84 | + @Test |
| 85 | + fun `token body contains subject`() { |
| 86 | + val token = createToken() |
| 87 | + |
| 88 | + assertEquals("jitsi-server-domain", parseTokenBody(token)["sub"]) |
| 89 | + } |
| 90 | + |
| 91 | + @Test |
| 92 | + fun `token body contains issuer`() { |
| 93 | + val token = createToken() |
| 94 | + |
| 95 | + assertEquals("jitsi-server-domain", parseTokenBody(token)["iss"]) |
| 96 | + } |
| 97 | + |
| 98 | + @Test |
| 99 | + fun `token body contains audience`() { |
| 100 | + val token = createToken() |
| 101 | + |
| 102 | + assertEquals("https://jitsi-server-domain", parseTokenBody(token)["aud"]) |
| 103 | + } |
| 104 | + |
| 105 | + @Test |
| 106 | + fun `token body contains room claim`() { |
| 107 | + val token = createToken() |
| 108 | + |
| 109 | + assertEquals("*", parseTokenBody(token)["room"]) |
| 110 | + } |
| 111 | + |
| 112 | + @Test |
| 113 | + fun `token body contains matrix data`() { |
| 114 | + val token = createToken() |
| 115 | + |
| 116 | + assertEquals(mutableMapOf("room_id" to "room-id", "server_name" to "matrix-server-name", "token" to "matrix-token"), parseMatrixData(token)) |
| 117 | + } |
| 118 | + |
| 119 | + @Test |
| 120 | + fun `token body contains user data`() { |
| 121 | + val token = createToken() |
| 122 | + |
| 123 | + assertEquals(mutableMapOf("name" to "user-display-name", "avatar" to "user-avatar-url"), parseUserData(token)) |
| 124 | + } |
| 125 | + |
| 126 | + private fun createToken(): String { |
| 127 | + return createToken("matrix-token") |
| 128 | + } |
| 129 | + |
| 130 | + private fun createToken(accessToken: String): String { |
| 131 | + val openIdToken = OpenIdToken(accessToken, "matrix-token-type", "matrix-server-name", -1) |
| 132 | + return factory.create(openIdToken, "jitsi-server-domain", "room-id", "user-avatar-url", "user-display-name") |
| 133 | + } |
| 134 | + |
| 135 | + private fun parseTokenHeader(token: String): Map<String, String> { |
| 136 | + return parseTokenPart(token.split(".")[0], stringToString) |
| 137 | + } |
| 138 | + |
| 139 | + private fun parseTokenBody(token: String): Map<String, Any> { |
| 140 | + return parseTokenPart(token.split(".")[1], stringToAny) |
| 141 | + } |
| 142 | + |
| 143 | + private fun parseMatrixData(token: String): Map<*, *> { |
| 144 | + return (parseTokenBody(token)["context"] as Map<*, *>)["matrix"] as Map<*, *> |
| 145 | + } |
| 146 | + |
| 147 | + private fun parseUserData(token: String): Map<*, *> { |
| 148 | + return (parseTokenBody(token)["context"] as Map<*, *>)["user"] as Map<*, *> |
| 149 | + } |
| 150 | + |
| 151 | + private fun <T> parseTokenPart(value: String, type: ParameterizedType): T { |
| 152 | + val decoded = String(base64Decoder.decode(value)) |
| 153 | + val adapter: JsonAdapter<T> = moshi.adapter(type) |
| 154 | + return adapter.fromJson(decoded)!! |
| 155 | + } |
| 156 | +} |
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