Merge branch 'master' of github.com:michael-lazar/jetforce
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Michael Lazar
commit
0c1483c9d5
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README.md
160
README.md
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@ -121,7 +121,7 @@ a directory is requested, jetforce will look for a file named **index.gmi** in t
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directory to return. Otherwise, a directory file listing will be automatically
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directory to return. Otherwise, a directory file listing will be automatically
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generated.
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generated.
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### CGI Scripts
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### CGI
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Jetforce supports a simplified version of CGI scripting. It doesn't
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Jetforce supports a simplified version of CGI scripting. It doesn't
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exactly follow the [RFC 3875](https://tools.ietf.org/html/rfc3875)
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exactly follow the [RFC 3875](https://tools.ietf.org/html/rfc3875)
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@ -130,36 +130,7 @@ specification for CGI, but it gets the job done for the purposes of Gemini.
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Any executable file placed in the server's ``cgi-bin/`` directory will be
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Any executable file placed in the server's ``cgi-bin/`` directory will be
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considered a CGI script. When a CGI script is requested by a gemini client,
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considered a CGI script. When a CGI script is requested by a gemini client,
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the jetforce server will execute the script and pass along information about
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the jetforce server will execute the script and pass along information about
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the request using environment variables:
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the request using environment variables.
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| Variable Name | Description | Example |
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| --- | --- | --- |
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| GATEWAY_INTERFACE | CGI version (for compatability). | ``GCI/1.1`` |
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| SERVER_PROTOCOL | The server protocol. | ``GEMINI`` |
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| SERVER_SOFTWARE | The server version string. | ``jetforce/0.0.7`` |
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| GEMINI_URL | Raw URL string from the request. | ``gemini://mozz.us/cgi-bin/example.cgi/hello?world``
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| SCRIPT_NAME | The part of the URL's path that corresponds to the CGI script location. | ``/cgi-bin/example.cgi`` |
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| PATH_INFO | The remainder of the URL's path after the CGI script location. | ``/hello`` |
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| QUERY_STRING | The query string portion of the request URL. | ``world`` |
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| HOSTNAME | Server hostname. | ``mozz.us`` |
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| SERVER_NAME | Server hostname (alias for HOSTNAME). | ``mozz.us`` |
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| REMOTE_ADDR | Client IP address. | ``10.10.0.2`` |
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| REMOTE_HOST | Client IP address (alias for REMOTE_ADDR). | ``10.10.0.2`` |
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| SERVER_PORT | Server port number. | ``1965`` |
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| TLS_CIPHER | TLS cipher that was negotiated. | ``TLS_AES_256_GCM_SHA384``|
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| TLS_VERSION | TLS version that was negotiated. | ``TLSv1.3`` |
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Additional CGI variables will also be included when the connection uses a TLS client certificate:
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| Variable Name | Description | Example |
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| --- | --- | --- |
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| AUTH_TYPE | Authentication type (for compatability). | ``CERTIFICATE`` |
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| REMOTE_USER | The subject CommonName attribute, if provided. | ``michael123`` |
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| TLS_CLIENT_HASH | A base64-encoded certificate fingerprint. | ``hjQftIC/4zPDQ1MNdav5nRQ39pM482xoTIgxtjyZOpY=`` |
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| TLS_CLIENT_NOT_BEFORE | Certificate activation date. | ``2020-04-05T04:18:22Z`` |
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| TLS_CLIENT_NOT_AFTER | Certificate expiration date. | ``2021-04-05T04:18:22Z`` |
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| TLS_CLIENT_SERIAL_NUMBER | Certificate serial number. | ``73629018972631`` |
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| TLS_CLIENT_AUTHORISED | Was the certificate verified by the server's CA? | ``0`` (not authorised) / ``1`` (authorised) |
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The CGI script must then write the gemini response to the *stdout* stream.
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The CGI script must then write the gemini response to the *stdout* stream.
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This includes the status code and meta string on the first line, and the
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This includes the status code and meta string on the first line, and the
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@ -167,6 +138,133 @@ optional response body on subsequent lines. The bytes generated by the
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CGI script will be forwarded *verbatim* to the gemini client, without any
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CGI script will be forwarded *verbatim* to the gemini client, without any
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additional modification by the server.
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additional modification by the server.
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#### CGI Environment Variables
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<dl>
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<dt>GATEWAY_INTERFACE</dt>
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<dd>
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CGI version (for compatability with RFC 3785).<br>
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<em>Example: "GCI/1.1"</em>
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</dd>
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<dt>SERVER_PROTOCOL</dt>
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<dd>
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The server protocol.<br>
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<em>Example: "GEMINI"</em>
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</dd>
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<dt>SERVER_SOFTWARE</dt>
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<dd>
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The server name and version.<br>
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<em>Example: "jetforce/0.0.7"</em>
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</dd>
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<dt>GEMINI_URL</dt>
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<dd>
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The entire URL that was requested by the client.<br>
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<em>Example: "gemini://mozz.us/cgi-bin/example.cgi/hello?world"</em>
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</dd>
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<dt>SCRIPT_NAME</dt>
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<dd>
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The part of the URL's path that corresponds to the CGI script location.<br>
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<em>Example: "/cgi-bin/example.cgi"</em>
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</dd>
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<dt>PATH_INFO</dt>
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<dd>
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The remainder of the URL's path after the SCRIPT_NAME.<br>
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<em>Example: "/hello"</em>
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</dd>
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<dt>QUERY_STRING</dt>
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<dd>
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The query string portion of the request URL.<br>
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<em>Example: "world"</em>
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</dd>
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<dt>SERVER_NAME / HOSTNAME</dt>
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<dd>
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The server hostname.<br>
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<em>Example: "mozz.us"</em>
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</dd>
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<dt>SERVER_PORT</dt>
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<dd>
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The server port number.<br>
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<em>Example: "1965"</em>
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</dd>
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<dt>REMOTE_HOST / REMOTE_ADDR</dt>
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<dd>
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The client's IP address.<br>
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<em>Example: "10.10.0.2"</em>
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</dd>
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<dt>TLS_CIPHER</dt>
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<dd>
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The negotiated TLS cipher<br>
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<em>Example: "TLS_AES_256_GCM_SHA384"</em>
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</dd>
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<dt>TLS_VERSION</dt>
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<dd>
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The negotiated TLS version.<br>
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<em>Example: "TLSv1.3"</em>
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</dd>
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</dl>
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#### CGI Environment Variables - Authenticated
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Additional CGI variables will be included only when the client connection uses a TLS client certificate:
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<dl>
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<dt>AUTH_TYPE</dt>
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<dd>
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Authentication type (for compatability with RFC 3785).<br>
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<em>Example: "CERTIFICATE"</em>
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</dd>
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<dt>REMOTE_USER</dt>
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<dd>
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The certificate's subject CommonName attribute, if provided.<br>
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<em>Example: "mozz123"</em>
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</dd>
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<dt>TLS_CLIENT_HASH</dt>
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<dd>
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A base64-encoded fingerprint that can be used to uniquely identify the certificate.<br>
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<em>Example: "hjQftIC/4zPDQ1MNdav5nRQ39pM482xoTIgxtjyZOpY="</em>
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</dd>
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<dt>TLS_CLIENT_NOT_BEFORE</dt>
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<dd>
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The certificate's activation date.<br>
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<em>Example: "2020-04-05T04:18:22Z"</em>
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</dd>
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<dt>TLS_CLIENT_NOT_AFTER</dt>
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<dd>
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The certificate's activation date.<br>
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<em>Example: "2021-04-05T04:18:22Z"</em>
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</dd>
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<dt>TLS_CLIENT_SERIAL_NUMBER</dt>
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<dd>
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The certificate's serial number.<br>
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<em>Example: "73629018972631"</em>
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</dd>
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<dt>TLS_CLIENT_VERIFIED</dt>
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<dd>
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Was the certificate deemed trusted by the server's CA certificate store.<br>
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<em>0 (not authorised) / 1 (authorised)</em>
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</dd>
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</dl>
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## Deployment
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## Deployment
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Jetforce is intended to be run behind a process manager that handles
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Jetforce is intended to be run behind a process manager that handles
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