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mod_tcpproxy/README.md

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mod_tcpproxy/README.md @ 6199:fe8222112cf4

mod_conversejs: Serve base app at / This makes things slightly less awkward for the browser to figure out which URLs belong to a PWA. The app's "start URL" was previously without the '/' and therefore was not considered within the scope of the PWA. Now the canonical app URL will always have a '/'. Prosody/mod_http should take care of redirecting existing links without the trailing / to the new URL. If you have an installation at https://prosody/conversejs then it is now at https://prosody/conversejs/ (the first URL will now redirect to the second URL if you use it). The alternative would be to make the PWA scope include the parent, i.e. the whole of https://prosody/ in this case. This might get messy if other PWAs are provided by the same site or Prosody installation, however.
author Matthew Wild <mwild1@gmail.com>
date Tue, 11 Feb 2025 13:18:38 +0000
parent 6003:fe081789f7b5
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1 ---
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2 labels:
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3 - 'Stage-Beta'
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4 summary: 'TCP-over-XMPP :)'
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5 ...
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7 Introduction
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8 ============
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9
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10 It happens occasionally that I would like to use the XMPP server as a
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11 generic proxy for connecting to another service. It is especially
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12 awkward in some environments, and impossible in (for example) Javascript
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13 inside a web browser.
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15 Details
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16 =======
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17
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18 Using mod\_tcpproxy an XMPP client (including those using BOSH) can
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19 initiate a pipe to a given TCP/IP address and port. This implementation
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20 uses the [In-Band Bytestreams](http://xmpp.org/extensions/xep-0047.html)
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21 XEP, simply extended with 2 new attributes in a new namespace, host and
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22 port.
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24 An example Javascript client can be found in the web/ directory of
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25 mod\_tcpproxy in the repository.
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26
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27 Configuration
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28 =============
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29
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30 Just add tcpproxy as a component, for example:
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32 `Component "tcp.example.com" "tcpproxy"`
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34 Protocol
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35 ========
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36
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37 A new stream is opened like this:
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38
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39 ``` {.xml}
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40 <iq type="set" id="newconn1" to="tcp.example.com">
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41 <open xmlns='http://jabber.org/protocol/ibb'
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42 sid='connection1'
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43 block-size='4096'
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44 stanza='message'
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45 xmlns:tcp='http://prosody.im/protocol/tcpproxy'
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46 tcp:host='example.com'
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47 tcp:port='80' />
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48 </iq>
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49 ```
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51 The stanza attribute (currently) MUST be 'message', and block-size is
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52 (currently) ignored.
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54 In response to this stanza you will receive a result upon connection
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55 success, or an error if the connection failed. You can then send to the
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56 connection by sending message stanzas as described in the IBB XEP.
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57 Incoming data will likewise be delivered as messages.
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59 Compatibility
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60 =============
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62 ----- --------------
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63 0.7 Works
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64 0.6 Doesn't work
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65 ----- --------------
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67 Todo
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68 ====
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70 - ACLs (restrict to certain JIDs, and/or certain target hosts/ports)
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71 - Honour block-size
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72 - Support iq stanzas for data transmission
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73 - Signal to start SSL/TLS on a connection