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The "Go To" HTTP Redirect Server for sharing dynamic shortcut URLs on your network.

Project description

Go To HTTP Redirect Server

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The "Go To" HTTP Redirect Server for sharing dynamic shortcut URLs on your network.

Trivial to install and run. Only uses Python built-in modules. Super handy 😄 ‼

Install Manually

  1. create a tab-separated values file ('\t') with a list of HTTP redirects. Fields are "from path", "to URL", "added by user", and "added on datetime". For example, given a file ./redirects1.csv

    /bug	https://bugtracker.megacorp.local/view.cgi=${query}	alice	2019-08-10 00:05:10
    /hr	http://human-resources.megacorp.local/login	bob	2018-07-11 22:15:10
    /aws	carl	2019-01-05 12:35:10
  2. Install (pick one)

    • pip install official release from

      pip install goto-http-redirect-server
    • pip install latest code from github

      pip install
    • Download from github and run

      curl ''
      python --help
    • Run latest from github using tools/ Pass command-line options to as if running

      curl ''
      ./ --help
    • Build and install using helper scripts tools/ or tools/build-install.ps1

      git clone
    • Build and install

      git clone
      cd goto_http_redirect_server
      python bdist_wheel
      python -m pip install --user ./dist/goto_http_redirect_server-*-py3-none-any.whl
  3. start the Go To HTTP Redirect Server

    goto_http_redirect_server --redirects ./redirects1.csv

    or run as a module

    python -m goto_http_redirect_server --redirects ./redirects1.csv

    Requires at least Python version 3.5.2.

Install systemd Service

See service/


From your browser, browse to a redirect path! For example, given a network host goto running goto_http_redirect_server on port 80, and given the example redirects file ./redirects1.csv above, then in your browser, type goto/hr⏎. Your browser will end up at http://human-resources.megacorp.local/login 😆‼ Try goto/bug?456⏎… shows bug 456 😝❗❗


  • Some browsers will assume a single word host, e.g. goto/hr, is a search engine query, i.e. the browser will query Google for "goto/hr". Type in a prepended http protocol, e.g. http://goto/hr⏎.**

  • In most corporate networks, a user's workstation will DNS search the corporate domain, e.g. .local. This allows users to enter browser URL goto/hr which will resolve to host goto.local. Sometimes workstations do not search the corporate domain due to DNS Search Order setting not including .local. In that case, the user must specify the domain, e.g. instead of typing goto/hr⏎, the user must type goto.local/hr⏎.**

** Mileage May Vary 😔

Live Reload

When the tab-separated values files are modified, this program can reload them. No service downtime!

Reload via Signals

  1. Note during startup the Process ID (or query the host System).

  2. Send the process signal to the running goto_http_redirect_server. In Unix, use kill. In Windows, use windows-kill.exe The running goto_http_redirect_server will re-read all files passed via --redirects.

Reload via browser

  1. Pass --reload-path /reload as a program command-line options.

  2. Browse to http://host/reload.

systemd Service

  • See service/ directory for systemd service files.

Pro Tips

  • Add a DNS addressable host on your network named goto. Run goto_http_redirect_server on the host. Network users can type in their browser address bar goto/…⏎ to easily use the "Go To" HTTP Redirect Server.**

  • There are many methods to secure a running process. One method is to use authbind to run goto_http_redirect_server as a low privilege process.

    apt install authbind
    touch /etc/authbind/byport/80
    chown nobody /etc/authbind/byport/80
    chmod 0500 /etc/authbind/byport/80
    sudo -u nobody -- authbind --deep python goto_http_redirect_server …

    This is an optional setting in the systemd service.

--help message

usage: goto_http_redirect_server [--redirects REDIRECTS_FILES]
                                 [--from-to from to] [--ip IP] [--port PORT]
                                 [--status-path STATUS_PATH]
                                 [--reload-path RELOAD_PATH]
                                 [--redirect-code REDIRECT_CODE]
                                 [--field-delimiter FIELD_DELIMITER]
                                 [--status-note-file STATUS_NOTE_FILE]
                                 [--shutdown SHUTDOWN] [--log LOG] [--debug]
                                 [--version] [-?]

The "Go To" HTTP Redirect Server for sharing dynamic shortcut URLs on your network.

HTTP 308 Permanent Redirect reply server. Load this server with redirects of "from path" and
"to URL" and let it run indefinitely. Reload the running server by signaling the
process or HTTP requesting the RELOAD_PATH.

  One or more required. May be passed multiple times.

  --redirects REDIRECTS_FILES
                        File of redirects. Within a file, is one redirect
                        entry per line. A redirect entry is four fields: "from
                        path", "to URL", "added by user", and "added on
                        datetime" separated by the FIELD_DELIMITER character.
  --from-to from to     A single redirect entry of "from path" and "to URL"
                        fields. For example, --from-to "/hr" "http://human-

Network Options:
  --ip IP, -i IP        IP interface to listen on. Default is .
  --port PORT, -p PORT  IP port to listen on. Default is 80 .

Server Options:
  --status-path STATUS_PATH
                        The status path dumps information about the process
                        and loaded redirects. Default status page path is
  --reload-path RELOAD_PATH
                        Allow reloads by HTTP GET Request to passed URL Path.
                        e.g. --reload-path "/reload". May be a potential
                        security or stability issue. The program will always
                        allow reload by process signal. Default is off.
  --redirect-code REDIRECT_CODE
                        Set HTTP Redirect Status Code as an integer. Most
                        often the desired override will be 307 (Temporary
                        Redirect). Any HTTP Status Code could be used but odd
                        things will happen if a value like 500 is returned.
                        This Status Code is only returned when a loaded
                        redirect entry is found and returned. Default
                        successful redirect Status Code is 308 (Permanent
  --field-delimiter FIELD_DELIMITER
                        Field delimiter string for --redirects files per-line
                        redirect entries. Default is "\t" (ordinal 9).
  --status-note-file STATUS_NOTE_FILE
                        Status page note: Filesystem path to a file with HTML
                        that will be embedded within a <div> element in the
                        status page.
  --shutdown SHUTDOWN   Shutdown the server after passed seconds. Intended for
  --log LOG             Log to file at path LOG. Default logging is to
  --debug               Set logging level to DEBUG. Default logging level is
  --version             Print "goto_http_redirect_server 1.1.2" and exit.
  -?, -h, --help        Print this help message and exit.

About Redirect Entries:

  Entries found in --redirects file(s) and entries passed via --from-to are
  Entries passed via --from-to override any matching "from path" entry found in
  redirects files.
  The "from path" field corresponds to the URI Path in the originating request.
  The "to URL" field corresponds to HTTP Header "Location" in the server
  Redirect reply.

  A redirects file entry has four fields separated by FIELD_DELIMITER character:
  "from path", "to URL", "added by user", "added on datetime".
  For example,

    /hr http://human-resources.megacorp.local/login     bob     2019-09-07 12:00:00

  The last two fields, "added by user" and "added on datetime", are intended
  for record-keeping within an organization.

  A passed redirect should have a leading "/" as this is the URI path given for
  For example, the URL "http://host/hr" is processed as URI path "/hr".

  A redirect will combine the various incoming URI parts.
  For example, given redirect entry:

    /b  http://bug-tracker.megacorp.local/view.cgi      bob     2019-09-07 12:00:00

  And incoming GET or HEAD request:


  will result in a redirect URL:


Redirect Entry Template Syntax ("dynamic" URLs):

  Special substrings with Python string.Template syntax may be set in the
  redirect entry "To" field.

  First, given the URL;parm?a=A&b=B#frag

  the URI parts that form a urllib.urlparse ParseResult class would be:

    ParseResult(scheme='http', netloc='', path='/pa/th',
                params='parm', query='a=A&b=B', fragment='frag')

  So then given redirect entry:

    /b  http://bug-tracker.megacorp.local/view.cgi?id=${query}  bob     2019-09-07 12:00:00

  and the incoming GET or HEAD request:


  Substring '123' is the 'query' part of the ParseResult. The resultant redirect
  URL would become:


Redirect Entry Required Request Modifiers:

  Ending the Redirect Entry "from path" field with various URI separators allows
  preferences for which Redirect Entry to use. The purpose is to allow
  preferring a different Redirect Entry depending upon the users request.

  Given redirect entries:

    /b? http://bug-tracker.megacorp.local/view.cgi?id=${query}  bob     2019-09-07 12:00:00
    /b  http://bug-tracker.megacorp.local/main  bob     2019-09-07 12:00:00

  and the incoming GET or HEAD request:


  This will choose the first Redirect Entry and return 'Location' header


  Whereas the incoming GET or HEAD request:


  This will choose the second Redirect Entry and return 'Location' header


  The example combination sends a basic request for '/b' to some static page and
  a particular query request '/b?123' to a particular query path.
  Failed matches will "fallback" to the basic Redirect Entry, e.g. the Entry
  without any Required Request Modifiers.

  A Redirect Entry with Required Request Modifier will not match a request
  without such a modifier.

  Given redirect entries:

    /b? http://bug-tracker.megacorp.local/view.cgi?id=${query}  bob     2019-09-07 12:00:00

  and the incoming GET or HEAD request:


  will return 404 NOT FOUND.

  Required Request Modifiers must be at the end of the "from path" field string.
  Required Request Modifiers strings are:

     ';'  for user requests with a parameter.
     '?'  for user requests with a query.
     ';?' for user requests with a parameter and a query.

About Redirect Files:

   A line with a leading "#" will be ignored.

About Reloads:

  Sending a process signal to the running process will cause
  a reload of any files passed via --redirects.  This allows live updating of
  redirect information without disrupting the running server process.
  On Unix, the signal is SIGUSR1.  On Windows, the signal is SIGBREAK.
  On this system, the signal is Signals.SIGUSR1 (10).
  On Unix, use program `kill`.  On Windows, use program `windows-kill.exe`.

  A reload of redirect files may also be requested via passed URL path

About Paths:

  Options --status-path and --reload-path may be passed paths to obscure access
  from unauthorized users. e.g.

      --status-path '/3811b8c6-a925-469e-a837-1787d4ade762'

About this program:

  Modules used are available within the standard CPython distribution.
  Written for Python 3.7 but hacked to run with at least Python 3.5.2.

This project is released under an MIT License granted by Dell Incorporated's Open Source Project program. All project contributions are entirely reflective of the respective author(s) and not of Dell Inc.

Some portions of Javascript code in this project are subject to a separate MIT License.

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