62 lines
2.3 KiB
Python
62 lines
2.3 KiB
Python
# Copyright The IETF Trust 2007-2020, All Rights Reserved
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# -*- coding: utf-8 -*-
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from django.db import models
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from ietf.utils.models import ForeignKey
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class Redirect(models.Model):
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"""Mapping of CGI script to url. The "rest" is a
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sprintf-style string with %(param)s entries to insert
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parameters from the request, and is appended to the
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url. An exception in formatting "rest" results in
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just the bare url being used. "remove" is removed
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from the end of the resulting url before redirecting,
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in case some values of "rest" add too much.
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If there is a "command" parameter, a matching row is
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searched for in the Command table to see if there
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is a different value of rest= and remove=.
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"""
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cgi = models.CharField(max_length=50, unique=True, blank=True)
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url = models.CharField(max_length=255)
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rest = models.CharField(max_length=100, blank=True)
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remove = models.CharField(max_length=50, blank=True)
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def __str__(self):
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return "%s -> %s/%s" % (self.cgi, self.url, self.rest)
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class Suffix(models.Model):
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"""This is a "rest" and "remove" (see Redirect class)
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for requests with command=.
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"""
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rest = models.CharField(max_length=100, blank=True)
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remove = models.CharField(max_length=50, blank=True)
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def __str__(self):
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return "-> %s - %s" % (self.rest, self.remove)
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class Meta:
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verbose_name_plural="Suffixes"
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class Command(models.Model):
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"""When a request comes in with a command= argument,
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the command is looked up in this table to see if there
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are more specific "rest" and "remove" arguments to
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use than those specified in the Redirect class that
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matched. The optional "url" is prepended to the "rest".
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"""
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command = models.CharField(max_length=50)
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url = models.CharField(max_length=50, blank=True)
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script = ForeignKey(Redirect, related_name='commands', editable=False)
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suffix = ForeignKey(Suffix, null=True, blank=True)
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def __str__(self):
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ret = "%s?command=%s" % (self.script.cgi, self.command)
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if self.suffix_id:
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ret += " %s" % (self.suffix)
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return ret
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class Meta:
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unique_together = (("script", "command"), )
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# changes done by convert-096.py:changed maxlength to max_length
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# removed core
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# removed edit_inline
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