Added support for twilio video

src/classes/TwilioAuthAccessToken.cls

@@ -0,0 +1,129 @@
+/*
+Copyright (c) 2012 Twilio, Inc.
+Permission is hereby granted, free of charge, to any person
+obtaining a copy of this software and associated documentation
+files (the "Software"), to deal in the Software without
+restriction, including without limitation the rights to use,
+copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the
+Software is furnished to do so, subject to the following
+conditions:
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+*/
+public class TwilioAuthAccessToken
+{
+    private final String accountSid;
+    private final String keySid;
+    private final String secret;
+    private final Integer ttl;
+
+    private final Integer nbf;
+    private final String identity;
+    private final Set<TwilioAuthGrant> grants;
+
+    public TwilioAuthAccessToken(String accountSid, String keySid, String secret,
+                                 Integer ttl, String identity, String configSid)
+    {
+        this.accountSid = accountSid;
+        this.keySid = keySid;
+        this.secret = secret;
+        this.ttl = ttl;
+        this.identity = identity;
+
+        TwilioAuthConversationsGrant configGrant = new TwilioAuthConversationsGrant();
+        configGrant.configurationProfileSid = configSid;
+
+        grants = new Set<TwilioAuthGrant>();
+        grants.add(configGrant);
+    }
+
+    public String getIdentity()
+    {
+        return this.identity;
+    }
+
+    public String toJWT()
+    {
+        Map<String, String> headers = new Map<String, String>();
+        headers.put('cty', 'twilio-fpa;v=1');
+        headers.put('alg', 'HS256');
+        headers.put('typ', 'JWT');
+
+        Integer timestamp = (Integer)(System.currentTimeMillis() / 1000);
+        Map<String, Object> grantPayload = new Map<String, Object>();
+
+        if (this.identity != null)
+        {
+            grantPayload.put('identity', this.identity);
+        }
+
+        for (TwilioAuthGrant grant : this.grants)
+        {
+            grantPayload.put(grant.getGrantKey(), grant.getPayload());
+        }
+
+        Map<String, Object> payload = new Map<String, Object>();
+        payload.put('grants', grantPayload);
+        payload.put('exp', timestamp + this.ttl);
+        payload.put('sub', this.accountSid);
+        payload.put('iss', this.keySid);
+        payload.put('jti', this.keySid + '-' + String.valueOf(timestamp));
+
+        List<String> segments = new List<String>();
+        segments.add(urlSafeEncodeBase64(JSON.serialize(headers)));
+        segments.add(urlSafeEncodeBase64(JSON.serialize(payload)));
+
+        String signature = sign(join(segments, '.'), this.secret);
+        segments.add(signature);
+
+        return join(segments, '.');
+    }
+
+    @TestVisible
+    private static String urlSafeEncodeBase64(String data)
+    {
+        return urlSafeEncodeBase64(Blob.valueOf(data));
+    }
+
+    @TestVisible
+    private static String urlSafeEncodeBase64(Blob data)
+    {
+        String encodedString = EncodingUtil.base64Encode(data);
+        return encodedString.replace('+', '-').replace('/', '_').replace('=', '');
+    }
+
+    @TestVisible
+    public static String join(List<String> vals, String sep)
+    {
+        String sb = '';
+        for (Iterator<String> it = vals.iterator(); it.hasNext();)
+        {
+            String value = it.next();
+            if (sb.length() != 0)
+            {
+                sb += sep;
+            }
+
+            sb += value;
+        }
+
+        return sb;
+    }
+
+    private static String sign(String data, String key)
+    {
+        Blob mac = Crypto.generateMac('hmacSHA256', Blob.valueOf(data), Blob.valueOf(key));
+        String result = urlSafeEncodeBase64(mac);
+
+        return result;
+    }
+}

src/classes/TwilioAuthAccessToken.cls-meta.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ApexClass xmlns="http://soap.sforce.com/2006/04/metadata">
+    <apiVersion>35.0</apiVersion>
+    <status>Active</status>
+</ApexClass>

src/classes/TwilioAuthConversationsGrant.cls

@@ -0,0 +1,56 @@
+/*
+Copyright (c) 2012 Twilio, Inc.
+Permission is hereby granted, free of charge, to any person
+obtaining a copy of this software and associated documentation
+files (the "Software"), to deal in the Software without
+restriction, including without limitation the rights to use,
+copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the
+Software is furnished to do so, subject to the following
+conditions:
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+*/
+public class TwilioAuthConversationsGrant implements TwilioAuthGrant
+{
+    public String configurationProfileSid;
+
+    public String getConfigurationProfileSid()
+    {
+        return configurationProfileSid;
+    }
+
+    public TwilioAuthConversationsGrant setConfigurationProfileSid(String configurationProfileSid)
+    {
+        this.configurationProfileSid = configurationProfileSid;
+        return this;
+    }
+
+    public String getGrantKey()
+    {
+        return 'rtc';
+    }
+
+    public Object getPayload()
+    {
+        return new Payload(this);
+    }
+
+    public class Payload
+    {
+        public final String configuration_profile_sid;
+
+        public Payload(TwilioAuthConversationsGrant grant)
+        {
+            this.configuration_profile_sid = grant.configurationProfileSid;
+        }
+    }
+}

src/classes/TwilioAuthConversationsGrant.cls-meta.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ApexClass xmlns="http://soap.sforce.com/2006/04/metadata">
+    <apiVersion>35.0</apiVersion>
+    <status>Active</status>
+</ApexClass>

src/classes/TwilioAuthGrant.cls

@@ -0,0 +1,26 @@
+/*
+Copyright (c) 2012 Twilio, Inc.
+Permission is hereby granted, free of charge, to any person
+obtaining a copy of this software and associated documentation
+files (the "Software"), to deal in the Software without
+restriction, including without limitation the rights to use,
+copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the
+Software is furnished to do so, subject to the following
+conditions:
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+*/
+public interface TwilioAuthGrant
+{
+    String getGrantKey();
+    Object getPayload();
+}

src/classes/TwilioAuthGrant.cls-meta.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ApexClass xmlns="http://soap.sforce.com/2006/04/metadata">
+    <apiVersion>35.0</apiVersion>
+    <status>Active</status>
+</ApexClass>

src/classes/Twilio_TestAuthAccessToken.cls

@@ -0,0 +1,61 @@
+/*
+Copyright (c) 2012 Twilio, Inc.
+Permission is hereby granted, free of charge, to any person
+obtaining a copy of this software and associated documentation
+files (the "Software"), to deal in the Software without
+restriction, including without limitation the rights to use,
+copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the
+Software is furnished to do so, subject to the following
+conditions:
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+*/
+@isTest
+private class Twilio_TestAuthAccessToken
+{
+    final static String accountSid = 'skOPGTJWyBM7Wyrz5tRCbm8zqGGUAvfhePVU';
+    final static String apiKeySid = 'VOM7EV29bq8kEfG2jyPA0b0ywD894lxlxZqn';
+    final static String apiKeySecret = 'uGhUTeKS3xjkDQJlCq2gH1r9BBEPX5SVQyhf';
+    final static String configurationProfileSid = 'DNTBElGC532wArnIBYE2unCDI6yWbstanNzC';
+
+    static testMethod void testGetIdentity()
+    {
+        TwilioAuthAccessToken accessToken = new TwilioAuthAccessToken(accountSid, apikeySid, apiKeySecret,
+                                                                      3600, 'Testing', configurationProfileSid);
+
+        System.assertEquals('Testing', accessToken.getIdentity());
+    }
+
+    static testMethod void testEncodeBase64()
+    {
+        System.assertEquals('', TwilioAuthAccessToken.urlSafeEncodeBase64(''));
+        System.assertEquals('QQ', TwilioAuthAccessToken.urlSafeEncodeBase64('A'));
+        System.assertEquals('QUI', TwilioAuthAccessToken.urlSafeEncodeBase64('AB'));
+        System.assertEquals('QUJDRA', TwilioAuthAccessToken.urlSafeEncodeBase64('ABCD'));
+    }
+
+    static testMethod void testJoin()
+    {
+        System.assertEquals('', TwilioAuthAccessToken.join(new List<String>{''}, '-'));
+        System.assertEquals('a-b-c', TwilioAuthAccessToken.join(new List<String>{'a','b','c'}, '-'));
+        System.assertEquals('a', TwilioAuthAccessToken.join(new List<String>{'a'}, '-'));
+        System.assertEquals('abc', TwilioAuthAccessToken.join(new List<String>{'a','b','c'}, ''));
+    }
+
+    static testMethod void testToJWT()
+    {
+        TwilioAuthAccessToken accessToken = new TwilioAuthAccessToken(accountSid, apiKeySid, apiKeySecret,
+                                                                      3600, 'Testing', configurationProfileSid);
+
+        System.assert(accessToken.toJWT() != null);
+    }
+}

src/classes/Twilio_TestAuthAccessToken.cls-meta.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ApexClass xmlns="http://soap.sforce.com/2006/04/metadata">
+    <apiVersion>35.0</apiVersion>
+    <status>Active</status>
+</ApexClass>

src/classes/Twilio_TestAuthConversationsGrant.cls

@@ -0,0 +1,60 @@
+/*
+Copyright (c) 2012 Twilio, Inc.
+Permission is hereby granted, free of charge, to any person
+obtaining a copy of this software and associated documentation
+files (the "Software"), to deal in the Software without
+restriction, including without limitation the rights to use,
+copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the
+Software is furnished to do so, subject to the following
+conditions:
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+*/
+@isTest
+private class Twilio_TestAuthConversationsGrant
+{
+    final static String configurationProfileSid = 'DNTBElGC532wArnIBYE2unCDI6yWbstanNzC';
+
+    static testmethod void testSetConfigurationProfileSid()
+    {
+        TwilioAuthConversationsGrant grant = new TwilioAuthConversationsGrant();
+        grant.setConfigurationProfileSid(configurationProfileSid);
+
+        System.assertEquals(configurationProfileSid, grant.configurationProfileSid);
+    }
+
+    static testMethod void testGetGrantKey()
+    {
+        TwilioAuthConversationsGrant grant = new TwilioAuthConversationsGrant();
+
+        System.assertEquals('rtc', grant.getGrantKey());
+    }
+
+    static testMethod void testGetConfigurationProfileSid()
+    {
+        TwilioAuthConversationsGrant grant = new TwilioAuthConversationsGrant();
+        grant.setConfigurationProfileSid(configurationProfileSid);
+
+        System.assertEquals(configurationProfileSid, grant.getConfigurationProfileSid());
+    }
+
+    static testMethod void testGetPayload()
+    {
+        TwilioAuthConversationsGrant grant = new TwilioAuthConversationsGrant();
+        grant.setConfigurationProfileSid(configurationProfileSid);
+
+        TwilioAuthConversationsGrant.Payload payload = (TwilioAuthConversationsGrant.Payload)grant.getPayload();
+
+        System.assert(payload != null);
+        System.assertEquals(configurationProfileSid, payload.configuration_profile_sid);
+    }
+}

src/classes/Twilio_TestAuthConversationsGrant.cls-meta.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ApexClass xmlns="http://soap.sforce.com/2006/04/metadata">
+    <apiVersion>35.0</apiVersion>
+    <status>Active</status>
+</ApexClass>