]> scripts.mit.edu Git - wizard.git/blob - wizard/app/wordpress.py
Handle Wordpress random keys correctly on install and upgrade.
[wizard.git] / wizard / app / wordpress.py
1 import os
2 import re
3 import logging
4 import distutils
5 import urlparse
6 import hashlib
7 import sqlalchemy.exc
8
9 from wizard import app, install, resolve, sql, util
10 from wizard.app import php
11
12 def make_filename_regex_define(var):
13     """See :ref:`versioning config <seed>` for more information."""
14     return 'wp-config.php', php.re_define(var)
15
16 seed = util.dictmap(make_filename_regex_define, {
17     # these funny names are due to convention set by MediaWiki
18     'WIZARD_DBSERVER': 'DB_HOST',
19     'WIZARD_DBNAME': 'DB_NAME',
20     'WIZARD_DBUSER': 'DB_USER',
21     'WIZARD_DBPASSWORD': 'DB_PASSWORD',
22     'WIZARD_SECRETKEY': 'SECRET_KEY',
23     'WIZARD_AUTH_KEY': 'AUTH_KEY',
24     'WIZARD_SECURE_AUTH_KEY': 'SECURE_AUTH_KEY',
25     'WIZARD_LOGGED_IN_KEY': 'LOGGED_IN_KEY',
26     'WIZARD_NONCE_KEY': 'NONCE_KEY',
27     })
28
29 class Application(app.Application):
30     database = "mysql"
31     parametrized_files = ['wp-config.php'] + php.parametrized_files
32     extractors = app.make_extractors(seed)
33     extractors.update(php.extractors)
34     substitutions = app.make_substitutions(seed)
35     substitutions.update(php.substitutions)
36     install_schema = install.ArgSchema("db", "admin", "email", "title")
37     deprecated_keys = set(['WIZARD_SECRETKEY'])
38     random_keys = set(['WIZARD_SECRETKEY', 'WIZARD_AUTH_KEY', 'WIZARD_SECURE_AUTH_KEY', 'WIZARD_LOGGED_IN_KEY', 'WIZARD_NONCE_KEY'])
39     random_blacklist = set(['put your unique phrase here'])
40     def urlFromExtract(self, deployment):
41         try:
42             meta = sql.connect(deployment.dsn)
43             wp_options = meta.tables["wp_options"]
44             query = wp_options.select(wp_options.c.option_name == 'home')
45             return query.execute().fetchone()['option_value']
46         except sqlalchemy.exc.OperationalError:
47             return None
48     def download(self, version):
49         return "http://wordpress.org/wordpress-%s.tar.gz" % version
50     def checkConfig(self, deployment):
51         return os.path.isfile("wp-config.php")
52     def checkWeb(self, deployment):
53         # XXX: this sucks pretty hard
54         def doCheck():
55             return self.checkWebPage(deployment, "",
56                     outputs=["<html", "WordPress", "feed"],
57                     exclude=["Error establishing a database connection"])
58         if not doCheck():
59             deployment.enableOldStyleUrls()
60             return doCheck()
61         else:
62             return True
63     def detectVersion(self, deployment):
64         return self.detectVersionFromFile("wp-includes/version.php", php.re_var("wp_version"))
65     def install(self, version, options):
66         util.soft_unlink("wp-config.php")
67
68         post_setup_config = {
69                 'dbhost': options.dsn.host,
70                 'uname': options.dsn.username,
71                 'dbname': options.dsn.database,
72                 'pwd': options.dsn.password,
73                 'prefix': '',
74                 'submit': 'Submit',
75                 'step': '2',
76                 }
77         post_install = {
78                 'weblog_title': options.title,
79                 'admin_email': options.email,
80                 'submit': 'Continue',
81                 'step': '2',
82                 }
83         old_mode = os.stat(".").st_mode
84         os.chmod(".", 0777) # XXX: squick squick
85
86         # we need to disable the wp_mail function in wp-includes/pluggable[-functions].php
87         pluggable_path = os.path.exists('wp-includes/pluggable.php') and 'wp-includes/pluggable.php' or 'wp-includes/pluggable-functions.php'
88         pluggable = open(pluggable_path, 'r').read()
89         wp_mail_noop = "<?php function wp_mail( $to, $subject, $message, $headers = '', $attachments = array() ) { /*noop*/ } ?> \n\n"
90         pluggable_file = open(pluggable_path,'w')
91         pluggable_file.write(wp_mail_noop)
92         pluggable_file.write(pluggable)
93         pluggable_file.close()
94
95         result = install.fetch(options, "wp-admin/setup-config.php?step=2", post_setup_config)
96         logging.debug("setup-config.php output\n\n" + result)
97         result = install.fetch(options, "wp-admin/install.php?step=2", post_install)
98         logging.debug("install.php output\n\n" + result)
99         os.chmod(".", old_mode)
100         if "Finished" not in result and "Success" not in result:
101             raise app.InstallFailure()
102
103         # not sure what to do about this
104         meta = sql.connect(options.dsn)
105         wp_options = meta.tables["wp_options"]
106         wp_options.update().where(wp_options.c.option_name == 'siteurl').values(option_value=options.web_path).execute()
107         wp_options.update().where(wp_options.c.option_name == 'home').values(option_value="http://%s%s" % (options.web_host, options.web_path)).execute() # XXX: what if missing leading slash; this should be put in a function
108         # should also set the username and admin password
109
110         wp_users = meta.tables["wp_users"]
111         hashed_pass = hashlib.md5(options.admin_password).hexdigest()
112         wp_users.update().where(wp_users.c.ID == 1).values(user_login=options.admin_name,user_nicename=options.admin_name,display_name=options.admin_name,user_pass=hashed_pass).execute()
113         wp_usermeta = meta.tables["wp_usermeta"]
114         wp_usermeta.delete().where(wp_usermeta.c.user_id==1 and wp_usermeta.c.meta_key == "default_password_nag").execute()
115
116         # now we can restore the wp_mail function in wp-includes/pluggable[-functions].php
117         pluggable_file = open(pluggable_path,'w')
118         pluggable_file.write(pluggable)
119         pluggable_file.close()
120
121         # replace random variable stubs with real values
122         old_config = open('wp-config.php').read()
123         def replace_with_random(s):
124             return s.replace('put your unique phrase here', util.random_key(), 1)
125         config = replace_with_random(old_config)
126         while config != old_config:
127             old_config = config
128             config = replace_with_random(config)
129         open('wp-config.php', 'w').write(config)
130
131         php.ini_replace_vars()
132     def upgrade(self, d, version, options):
133         result = d.fetch("wp-admin/upgrade.php?step=1")
134         if "Upgrade Complete" not in result and "No Upgrade Required" not in result:
135             raise app.UpgradeFailure(result)
136     def backup(self, deployment, backup_dir, options):
137         app.backup_database(backup_dir, deployment)
138     def restore(self, deployment, backup_dir, options):
139         app.restore_database(backup_dir, deployment)
140     def remove(self, deployment, options):
141         app.remove_database(deployment)
142
143 Application.resolutions = {
144 'wp-config.php': [
145     ("""
146 <<<<<<<
147
148 /** WordPress absolute path to the Wordpress directory. */
149 |||||||
150 /** WordPress absolute path to the Wordpress directory. */
151 =======
152 /** Absolute path to the WordPress directory. */
153 >>>>>>>
154 """, [0])
155 ],
156 }