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378 lines
11 KiB
HTML
Executable File
378 lines
11 KiB
HTML
Executable File
<!DOCTYPE html>
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<html>
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<head>
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<meta charset='utf-8'>
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<title>KalSMS</title>
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<link rel='stylesheet' type='text/css' href='styles/site.css' />
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</head>
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<body>
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<a href="http://github.com/youngj/KalSMS"><img style="position: absolute; top: 0; right: 0; border: 0;" src="http://s3.amazonaws.com/github/ribbons/forkme_right_darkblue_121621.png" alt="Fork me on GitHub" /></a>
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<div id="container">
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<h1><a href="index.html">KalSMS</a>
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<span class="small">
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SMS/MMS gateway for Android
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</span>
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</h1>
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<div class='menu'>
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<a href='index.html'>Home</a>
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·
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<a href='install.html'>Install</a>
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·
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<a href='how.html'>How it Works</a>
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·
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<a href='serverapi.html'>API Reference</a>
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·
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<a href='comparison.html'>Comparison</a>
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·
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<a href='history.html'>History</a>
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</div>
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<h2>Server API Reference</h2>
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<p>
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KalSMS communicates with the server via HTTP POST requests that expect an XML response.
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</p>
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<p>
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For convenience, KalSMS includes <a href='https://github.com/youngj/KalSMS/tree/master/server'>server libraries and example code</a>
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for certain languages to simplify handling its POST requests and generating response XML.
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</p>
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<p>
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If a server library is not yet available for your programming language, you can still use
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KalSMS by implementing code in accordance with the API reference below.
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We encourage you to contribute new libraries and example code back to the KalSMS project!
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</p>
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<h3>
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HTTP Request Format
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</h3>
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<h4>Example requests</h4>
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<p>
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In each of the example requests below, the Server URL is <code style='white-space:nowrap'>http://192.168.70.1:3000/sg/kalsms</code>
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and the phone number of the phone with KalSMS is <code>16505551212</code>.
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</p>
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<p>An incoming SMS from <code>6505551234</code> with message body "test":</p>
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<pre>
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POST /sg/kalsms HTTP/1.1
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X-Kalsms-Signature: sAemG31uRllk/K9xck2WRNaF/WI=
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Content-Length: 96
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Content-Type: application/x-www-form-urlencoded
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Host: 192.168.70.1:3000
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Connection: Keep-Alive
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from=6505551234&message_type=sms&message=test&version=2&phone_number=16505551212&action=incoming
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</pre>
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<p>An incoming MMS message:</p>
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<pre>
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TODO
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</pre>
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<p>Checking for outgoing SMS messages:</p>
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<pre>
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POST /sg/kalsms HTTP/1.1
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X-Kalsms-Signature: 139CL71b7r1Zw/E2wcccWFviSlg=
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Content-Length: 50
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Content-Type: application/x-www-form-urlencoded
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Host: 192.168.70.1:3000
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Connection: Keep-Alive
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action=outgoing&version=2&phone_number=16505551212
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</pre>
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<p>Notifying the server of the status of a sent message:</p>
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<pre>
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POST /sg/kalsms HTTP/1.1
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X-Kalsms-Signature: 6uJtI6+QqlVBbUsR4T0WsQomods=
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Content-Length: 80
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Content-Type: application/x-www-form-urlencoded
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Host: 192.168.70.1:3000
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Connection: Keep-Alive
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id=1536&status=sent&error=&action=send_status&version=2&phone_number=16505551212
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</pre>
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<h4>Specification</h4>
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<p>
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The following parameters are sent in all POST requests from KalSMS:
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</p>
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<dl>
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<dt>"version" ::= <integer></dt>
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<dd>
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The API version of the POST requests (currently <code>"2"</code>).
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<br />
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<br />
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This number will be incremented whenever the format of POST requests changes significantly.
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This allows the server to support phones running different API versions at the same time.
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If a deployment has many phones running with KalSMS, the server should update its code first,
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then the phones can be upgraded to the new version of KalSMS as convenient.
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</dd>
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<dt>"phone_number" ::= <text></dt>
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<dd>
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The phone number of the phone running KalSMS, as entered under Menu > Settings.
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<br /><br />
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This allows the server to differentiate between KalSMS clients if multiple phones
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are running KalSMS.
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</dd>
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<dt>"action" ::= "outgoing" | "incoming" | "send_status"</dt>
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<dd>
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The request action determines the purpose of the HTTP request:
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<dl>
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<dt>"outgoing":</dt>
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<dd>
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Poll the server for outgoing messages
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</dd>
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<dt>"incoming":</dt>
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<dd>
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Forward an incoming SMS or MMS message to the server
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</dd>
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<dt>"send_status":</dt>
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<dd>
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Update the server on the status of sending an outgoing message
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</dd>
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</dl>
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The other POST parameters sent depend on the request action.
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</dd>
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</dl>
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The following HTTP Headers are sent in all POST requests from KalSMS:
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<dl>
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<dt>"X-Kalsms-Signature" ::= <text></dt>
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<dd>
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A signature of the request to verify the phone and the server share the same password
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(though it doesn't protect against MITM snooping or replay attacks).
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<br />
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<br />
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The signature is calculated by the following algorithm:
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<ol>
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<li>Sort all POST parameters (not including file uploads)
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in alphabetical order by the name of the field.</li>
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<li>Generate an input string by concatenating:
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<ul>
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<li>the server URL,</li>
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<li>each of the sorted POST parameters with their corresponding values, and</li>
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<li>the password,</li>
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</ul>
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with a comma in between each element, like so:
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<br />
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<code>"<serverURL>,<name1>,<value1>,<...>,<nameN>,<valueN>,<password>"</code>
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</li>
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<li>Generate the SHA-1 hash of the input string in UTF-8</li>
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<li>Encode the SHA-1 hash using Base64 with no line breaks.</li>
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</ol>
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</dd>
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</dl>
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Additional parameters sent in POST requests with action=incoming:
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<dl>
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<dt>"from" ::= <text></dt>
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<dd>
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The phone number of the message sender.
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</dd>
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<dt>"message_type" ::= "sms" | "mms"</dt>
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<dd>
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Whether this message is an SMS or MMS.
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</dd>
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<dt>"message" ::= <text></dt>
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<dd>
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The message body of the SMS, or the content of the <code>text/plain</code> part of the MMS.
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</dd>
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</dl>
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Additional parameters sent in POST requests with action=incoming and message_type=mms:
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<dl>
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<dt>"mms_parts" ::= <json_array></dt>
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<dd>
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Metadata for each part of the MMS. Each item in the JSON array is an object
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with the following keys and values:
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<dl>
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<dt>"name" ::= <text></dt>
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<dd>
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The name of an additional form field where the content of the MMS part
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is sent as an attached file.
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</dd>
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<dt>"cid" ::= <text></dt>
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<dd>
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The Content ID of the MMS part. This allows the server to resolve
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references in the SMIL part of the MMS
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(e.g. <code><img region="Image" src="cid:805"/></code>).
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</dt>
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<dt>"type" ::= "application/smil" | "text/plain" | "image/jpeg" | ...</dt>
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<dd>
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The Content Type of the MMS part.
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</dd>
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<dt>"filename" ::= <text></dt>
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<dd>
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The filename of the MMS part, as sent by the sender phone,
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e.g. <code>"Image001.jpg"</code>.
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</dt>
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</dl>
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(Additional fields with the content of each MMS part. Text parts
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are encoded in UTF-8.)
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</dt>
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</dl>
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Additional parameters sent in POST requests with action=outgoing:
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<dl>
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<dt>
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(None)
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</dt>
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</dl>
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Additional parameters sent in POST requests with action=send_status:
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<dl>
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<dt>"id" ::= <text></dt>
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<dd>
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The Server's ID for the outgoing message (from the <code>id</code> attribute
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of an <a href='#sms'>sms</a> tag in a previous XML response from the server).
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</dd>
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<dt>"status" ::= "queued" | "failed" | "sent"</dt>
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<dd>
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The current status of the outgoing message.
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</dd>
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<dt>"error" ::= <text></dt>
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<dd>
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A description of the reason for the error, if the message
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failed to send; or, an empty string if the message
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has been sent successfully.
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</dd>
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</dl>
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<h3>
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HTTP Response Format
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</h4>
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<p>
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For a successul request, the server should return HTTP status code 200.
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If the signature check failed, the server should return status code 403.
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Other status codes may be used to signify errors.
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</p>
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<h4>HTTP response for action=incoming and action=outgoing</h4>
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Example:
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<pre>
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HTTP/1.1 200 OK
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Content-Type: text/xml
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Content-Length: 189
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<?xml version='1.0' encoding='UTF-8'?>
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<messages>
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<sms id='1540' to='16505551213'>This is a test</sms>
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<sms id='1541' to='16505551214'>This is a another test message.</sms>
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</messages>
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</pre>
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Specification:
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<p>
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The Content-Type header should be text/xml, with the content as follows:
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</p>
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<dl>
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<dt><messages></dt>
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<dd>
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The root XML element.
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<br />
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<br />
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Attributes:
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<dl><dt>none</dt></dl>
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<br />
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Content:
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<dl>
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<dt><sms>*</dt>
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<dd>The SMS messages to send.</dd>
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</dl>
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</dd>
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<dt id='sms'><sms></dt>
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<dd>
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Describes an outgoing SMS to send.
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<br /><br />
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Attributes:
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<dl>
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<dt>"id" ::= <text> (optional)</dt>
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<dd>
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An ID for this outgoing message. (KalSMS will send this
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back to the server as the id field in a send_status request.)
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</dd>
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<dt>"to" ::= <text> (optional for incoming, required for outgoing)</dt>
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<dd>
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The phone number to send the SMS to. If omitted for
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action=incoming, it will be sent as a reply to the original
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sender.
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</dd>
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</dl>
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<br />
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Content:
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<dl>
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<dt>CDATA</dt>
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<dd>
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The content of the SMS message to send.
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</dd>
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</dl>
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</dd>
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</dl>
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<h4>HTTP Response for action=send_status</h4>
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Example:
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<pre>
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HTTP/1.1 200 OK
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Content-Type: text/plain
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Content-Length: 2
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OK
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</pre>
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<p>
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The response content for <code>send_status</code> requests is currently undefined and ignored.
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HTTP status code 200 signifies success, and anything else signifies failure.
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</p>
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<div class="footer">
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get the source code on GitHub : <a href="http://github.com/youngj/KalSMS">youngj/KalSMS</a>
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</div>
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</div>
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</body>
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</html> |