| 1 | # svntrac
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| 2 | #
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| 3 | # Copyright (C) 2003 Xyche Software
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| 4 | #
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| 5 | # svntrac is free software; you can redistribute it and/or
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| 6 | # modify it under the terms of the GNU General Public License as
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| 7 | # published by the Free Software Foundation; either version 2 of the
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| 8 | # License, or (at your option) any later version.
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| 9 | #
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| 10 | # svntrac is distributed in the hope that it will be useful,
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| 11 | # but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 12 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 13 | # General Public License for more details.
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| 14 | #
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| 15 | # You should have received a copy of the GNU General Public License
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| 16 | # along with this program; if not, write to the Free Software
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| 17 | # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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| 18 | #
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| 19 | # Author: Jonas Borgström <jonas@xyche.com>
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| 20 |
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| 21 | import re
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| 22 | import time
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| 23 | import os
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| 24 | import StringIO
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| 25 | import auth
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| 26 | import perm
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| 27 | from Module import Module
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| 28 | from db import get_connection
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| 29 | from util import *
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| 30 | from xml.sax.saxutils import quoteattr, escape
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| 31 |
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| 32 |
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| 33 | h1_re = re.compile ('!!!(.*)!!!')
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| 34 | h2_re = re.compile ('!!(.*)!!')
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| 35 | h3_re = re.compile ('!(.*)!')
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| 36 | url_re = re.compile ('((((new|(ht|f)tp)s?://))([a-z0-9_-]+:[a-z0-9_-]+\@)?([a-z0-9]+(\-*[a-z0-9]+)*\.)+[a-z]{2,7}(/~?[a-z0-9_\.%\-]+)?(/[a-z0-9_\.%\-]+)*(/?[a-z0-9_\%\-]+(\.[a-z0-9]+)?(\#[a-zA-Z0-9_\.]+)?)(\?([a-z0-9_\.\%\-]+)\=[a-z0-9_\.\%\/\-]*)?(&([a-z0-9_\.\%\-]+)\=[a-z0-9_\.\%\/\-]*)?(#[a-z0-9]+)?)')
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| 37 | oldstylelink_re = re.compile ('([[A-Z][a-z]*(?:[A-Z][a-z]+)+)')
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| 38 | newstylelink_re = re.compile ('\[([^]*])\]')
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| 39 | list_re = re.compile ('^(([\*#])\\2*) (.*)$')
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| 40 | newline_re = re.compile ('(%%%)')
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| 41 | strong_re = re.compile ('\__([^ ]+)\__')
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| 42 | emph_re = re.compile ("''([^ ]+)''")
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| 43 | empty_line_re = re.compile ("^[ ]*$")
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| 44 | indented_re = re.compile ("^[ ]")
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| 45 |
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| 46 | def format_wiki (text, out):
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| 47 | """
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| 48 | some basic wiki style text formatting
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| 49 | """
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| 50 | def set_list_depth (stack, type, depth):
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| 51 | listdepth = len(stack)
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| 52 | diff = depth - listdepth
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| 53 | if diff > 0:
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| 54 | for i in range (diff):
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| 55 | out.write ('<%s>' % type)
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| 56 | stack.append('</%s>' % type)
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| 57 | elif diff < 0:
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| 58 | for i in range (-diff):
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| 59 | out.write (stack.pop())
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| 60 | if depth > 0 and stack[0][2:4] != type:
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| 61 | out.write (stack.pop())
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| 62 | out.write ('<%s>' % type)
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| 63 | stack.append('</%s>' % type)
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| 64 |
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| 65 | def handle_links (line):
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| 66 | line = oldstylelink_re.sub('<a href="?mode=wiki&page=\\1">\\1</a>', line)
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| 67 | line = url_re.sub('<a href="\\1">\\1</a>', line)
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| 68 | return line
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| 69 |
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| 70 | newp = 1
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| 71 | inverb = 0
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| 72 | liststack = []
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| 73 |
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| 74 | for line in text.splitlines():
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| 75 | line = escape(line)
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| 76 | if empty_line_re.match(line):
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| 77 | if not newp:
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| 78 | newp = 1
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| 79 | set_list_depth (liststack, None, 0)
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| 80 | if inverb:
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| 81 | inverb = 0
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| 82 | out.write ('</pre>\n')
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| 83 | out.write ('<p>\n')
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| 84 | continue
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| 85 | if newp and indented_re.match(line):
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| 86 | out.write('<pre>\n')
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| 87 | inverb = 1
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| 88 | newp = 0
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| 89 |
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| 90 | match = list_re.match(line)
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| 91 | if match:
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| 92 | depth = len(match.group(1))
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| 93 | if match.group(2) == '#':
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| 94 | type = 'ol'
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| 95 | else:
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| 96 | type = 'ul'
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| 97 | set_list_depth(liststack, type, depth)
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| 98 | line = list_re.sub('<li>\\3', line)
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| 99 |
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| 100 | line = newline_re.sub('<br>', line)
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| 101 | line = handle_links(line)
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| 102 | line = h1_re.sub('<h1>\\1</h1>', line)
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| 103 | line = h2_re.sub('<h2>\\1</h2>', line)
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| 104 | line = h3_re.sub('<h3>\\1</h3>', line)
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| 105 | line = strong_re.sub('<strong>\\1</strong>', line)
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| 106 | line = emph_re.sub('<em>\\1</em>', line)
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| 107 | out.write(line + '\n')
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| 108 | if inverb:
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| 109 | out.write ('</pre>\n')
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| 110 |
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| 111 |
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| 112 | class Page:
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| 113 | def __init__(self, name, version):
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| 114 |
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| 115 | self.name = name
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| 116 | cnx = get_connection ()
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| 117 | cursor = cnx.cursor ()
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| 118 | if version:
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| 119 | cursor.execute ('SELECT version, text FROM wiki '
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| 120 | 'WHERE name=%s AND version=%s',
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| 121 | name, version)
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| 122 | else:
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| 123 | cursor.execute ('SELECT version, text FROM wiki '
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| 124 | 'WHERE name=%s ORDER BY version DESC LIMIT 1', name)
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| 125 | row = cursor.fetchone()
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| 126 | if row:
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| 127 | self.new = 0
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| 128 | self.version = int(row[0])
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| 129 | self.text = row[1]
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| 130 | else:
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| 131 | self.version = 0
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| 132 | self.text = 'describe %s here' % name
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| 133 | self.new = 1
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| 134 |
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| 135 | def set_content (self, text):
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| 136 | self.text = text
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| 137 | self.version = self.version + 1
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| 138 |
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| 139 | def commit (self):
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| 140 | if self.new:
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| 141 | perm.assert_permission (perm.WIKI_CREATE)
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| 142 | else:
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| 143 | perm.assert_permission (perm.WIKI_MODIFY)
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| 144 | cnx = get_connection ()
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| 145 | cursor = cnx.cursor ()
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| 146 | cursor.execute ('SELECT MAX(version)+1 FROM '
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| 147 | '(SELECT version FROM wiki WHERE name=%s '
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| 148 | 'UNION ALL SELECT 0 as version)', self.name)
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| 149 | row = cursor.fetchone()
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| 150 | new_version = int(row[0])
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| 151 |
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| 152 | cursor.execute ('INSERT INTO WIKI '
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| 153 | '(name, version, time, author, ipnr, locked, text) '
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| 154 | 'VALUES (%s, %s, %s, %s, %s, %s, %s)',
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| 155 | self.name, new_version, int(time.time()),
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| 156 | auth.get_authname(), os.getenv('REMOTE_ADDR'),
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| 157 | 0, self.text)
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| 158 | cnx.commit ()
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| 159 |
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| 160 | def render_edit(self, out):
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| 161 | perm.assert_permission (perm.WIKI_MODIFY)
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| 162 | out.write ('<h3>source</h3>')
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| 163 | out.write ('<form action="svntrac.cgi" method="POST">')
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| 164 | out.write ('<input type="hidden" name="page" value="%s">' % self.name)
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| 165 | out.write ('<input type="hidden" name="mode" value="wiki">')
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| 166 | out.write ('<textarea name="text" rows="15" cols="80">')
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| 167 | out.write(escape(self.text))
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| 168 | out.write ('</textarea><p>')
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| 169 | out.write ('<input type="submit" name="action" value="preview"> ')
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| 170 | out.write ('<input type="submit" name="action" value="commit">')
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| 171 | out.write ('</form>')
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| 172 |
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| 173 | def render_view(self, out, edit_button=1):
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| 174 | self.render_history(out)
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| 175 | perm.assert_permission (perm.WIKI_VIEW)
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| 176 | out.write ('<div class="wikipage">')
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| 177 | format_wiki(self.text, out)
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| 178 | out.write ('</div>')
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| 179 | if edit_button and perm.has_permission (perm.WIKI_MODIFY):
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| 180 | out.write ('<form action="svntrac.cgi" method="POST">')
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| 181 | out.write ('<input type="hidden" name="mode" value="wiki">')
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| 182 | out.write ('<input type="hidden" name="page" value="%s">' % self.name)
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| 183 | out.write ('<input type="submit" name="action" value=" edit ">')
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| 184 | out.write ('</form>')
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| 185 |
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| 186 | def render_preview (self, out):
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| 187 | perm.assert_permission (perm.WIKI_MODIFY)
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| 188 |
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| 189 | out.write ('<h3>preview</h3>')
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| 190 | self.render_view (out, edit_button=0)
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| 191 | self.render_edit (out)
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| 192 |
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| 193 | def render_history (self, out):
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| 194 | cnx = get_connection ()
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| 195 | cursor = cnx.cursor ()
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| 196 |
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| 197 | cursor.execute ('SELECT version, time, author, ipnr FROM wiki '
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| 198 | 'WHERE name=%s ORDER BY version DESC', self.name)
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| 199 |
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| 200 | out.write ('<div align="right">'
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| 201 | '<a href=\"javascript:view_history()\">show/hide history</a>'
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| 202 | '</div>')
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| 203 | out.write ('<table class="wiki-history" id="history">')
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| 204 | out.write ('<tr class="wiki-history-header"><th>version</th>'
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| 205 | '<th>time</th><th>author</th><th>ipnr</th></tr>')
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| 206 | while 1:
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| 207 | row = cursor.fetchone()
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| 208 | if row == None:
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| 209 | break
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| 210 | # for row in cursor:
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| 211 | t = int(row[1])
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| 212 | if t:
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| 213 | time_str = time.strftime('%F', time.localtime(t))
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| 214 | else:
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| 215 | time_str = ''
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| 216 | out.write ('<tr><td><a href="%s">%s</a></td><td>%s</td>'
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| 217 | '<td>%s</td><td>%s</td></tr>'
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| 218 | % (wiki_href(self.name, row[0]), row[0], time_str,
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| 219 | row[2], row[3]))
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| 220 | out.write ('</table>')
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| 221 |
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| 222 | class Wiki (Module):
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| 223 | template_key = 'wiki_template'
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| 224 |
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| 225 | def render(self):
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| 226 | if self.args.has_key('page'):
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| 227 | name = self.args['page']
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| 228 | else:
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| 229 | name = 'WikiStart'
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| 230 | if self.args.has_key('version'):
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| 231 | version = self.args['version']
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| 232 | else:
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| 233 | version = 0
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| 234 |
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| 235 | if self.args.has_key('action'):
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| 236 | action = self.args['action']
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| 237 | else:
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| 238 | action = 'view'
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| 239 |
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| 240 | page = Page(name, version)
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| 241 |
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| 242 | if self.args.has_key('text'):
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| 243 | page.set_content (self.args['text'])
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| 244 |
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| 245 | out = StringIO.StringIO()
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| 246 | if action == 'commit':
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| 247 | page.commit ()
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| 248 | redirect (wiki_href (page.name))
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| 249 | elif action == ' edit ':
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| 250 | out.write ('<h2>edit <a href="%s">%s</a></h2>' %
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| 251 | (wiki_href(page.name), page.name))
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| 252 | page.render_edit (out)
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| 253 | self.namespace['title'] = 'wiki - edit'
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| 254 | elif action == 'preview':
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| 255 | out.write ('<h2>edit <a href="%s">%s</a></h2>' %
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| 256 | (wiki_href(page.name), page.name))
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| 257 | page.render_preview (out)
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| 258 | self.namespace['title'] = 'wiki - preview'
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| 259 | else:
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| 260 | out.write ('<h2><a href="%s">%s</a></h2>' %
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| 261 | (wiki_href(page.name), page.name))
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| 262 | page.render_view (out)
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| 263 | self.namespace['title'] = 'wiki - view'
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| 264 | self.namespace['content'] = out.getvalue()
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| 265 |
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