django-orchestra-test/orchestra/contrib/saas/backends/wordpressmu.py

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import re
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import sys
import textwrap
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from functools import partial
from urllib.parse import urlparse
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import requests
from django.utils.translation import ugettext_lazy as _
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from orchestra.contrib.orchestration import ServiceController
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from . import ApacheTrafficByHost
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from .. import settings
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class WordpressMuController(ServiceController):
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"""
Creates a wordpress site on a WordPress MultiSite installation.
You should point it to the database server
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"""
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verbose_name = _("Wordpress multisite")
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model = 'saas.SaaS'
default_route_match = "saas.service == 'wordpress'"
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doc_settings = (settings,
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('SAAS_WORDPRESS_ADMIN_PASSWORD', 'SAAS_WORDPRESS_MAIN_URL', 'SAAS_WORDPRESS_VERIFY_SSL')
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)
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VERIFY = settings.SAAS_WORDPRESS_VERIFY_SSL
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def login(self, session):
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main_url = self.get_main_url()
login_url = main_url + '/wp-login.php'
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login_data = {
'log': 'admin',
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'pwd': settings.SAAS_WORDPRESS_ADMIN_PASSWORD,
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'redirect_to': '/wp-admin/'
}
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sys.stdout.write("Login URL: %s\n" % login_url)
response = session.post(login_url, data=login_data, verify=self.VERIFY)
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if response.url != main_url + '/wp-admin/':
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raise IOError("Failure login to remote application (%s)" % login_url)
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def get_main_url(self):
main_url = settings.SAAS_WORDPRESS_MAIN_URL
return main_url.rstrip('/')
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def validate_response(self, response):
if response.status_code != 200:
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content = response.content.decode('utf8')
errors = re.findall(r'<body id="error-page">\n\t<p>(.*)</p></body>', content)
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raise RuntimeError(errors[0] if errors else 'Unknown %i error' % response.status_code)
def get_id(self, session, saas):
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blog_id = saas.data.get('blog_id')
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search = self.get_main_url()
search += '/wp-admin/network/sites.php?s=%s&action=blogs' % saas.name
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regex = re.compile(
'<a href="http://[\.\-\w]+/wp-admin/network/site-info\.php\?id=([0-9]+)"\s+'
'class="edit">%s</a>' % saas.name
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)
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sys.stdout.write("Search URL: %s\n" % search)
content = session.get(search, verify=self.VERIFY).content.decode('utf8')
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# Get id
ids = regex.search(content)
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if not ids and not blog_id:
raise RuntimeError("Blog '%s' not found" % saas.name)
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if ids:
ids = ids.groups()
if len(ids) > 1 and not blog_id:
raise ValueError("Multiple matches")
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return blog_id or int(ids[0]), content
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def create_blog(self, saas, server):
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if saas.data.get('blog_id'):
return
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session = requests.Session()
self.login(session)
# Check if blog already exists
try:
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blog_id, content = self.get_id(session, saas)
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except RuntimeError:
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url = self.get_main_url()
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url += '/wp-admin/network/site-new.php'
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sys.stdout.write("Create URL: %s\n" % url)
content = session.get(url, verify=self.VERIFY).content.decode('utf8')
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wpnonce = re.compile('name="_wpnonce_add-blog"\s+value="([^"]*)"')
wpnonce = wpnonce.search(content).groups()[0]
url += '?action=add-site'
data = {
'blog[domain]': saas.name,
'blog[title]': saas.name,
'blog[email]': saas.account.email,
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'_wpnonce_add-blog': wpnonce,
}
# Validate response
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response = session.post(url, data=data, verify=self.VERIFY)
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self.validate_response(response)
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blog_id = re.compile(r'<link id="wp-admin-canonical" rel="canonical" href="http(?:[^ ]+)/wp-admin/network/site-new.php\?id=([0-9]+)" />')
content = response.content.decode('utf8')
blog_id = blog_id.search(content).groups()[0]
sys.stdout.write("Created blog ID: %s\n" % blog_id)
saas.data['blog_id'] = int(blog_id)
saas.save(update_fields=('data',))
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return True
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else:
sys.stdout.write("Retrieved blog ID: %s\n" % blog_id)
saas.data['blog_id'] = int(blog_id)
saas.save(update_fields=('data',))
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def do_action(self, action, session, id, content, saas):
url_regex = r"""<span class=["']+%s["']+><a href=["']([^>]*)['"]>""" % action
action_url = re.search(url_regex, content).groups()[0].replace("&#038;", '&')
sys.stdout.write("%s confirm URL: %s\n" % (action, action_url))
content = session.get(action_url, verify=self.VERIFY).content.decode('utf8')
wpnonce = re.compile('name="_wpnonce"\s+value="([^"]*)"')
try:
wpnonce = wpnonce.search(content).groups()[0]
except AttributeError:
raise RuntimeError(re.search(r'<body id="error-page">([^<]+)<', content).groups()[0])
data = {
'action': action,
'id': id,
'_wpnonce': wpnonce,
'_wp_http_referer': '/wp-admin/network/sites.php',
}
action_url = self.get_main_url()
action_url += '/wp-admin/network/sites.php?action=%sblog' % action
sys.stdout.write("%s URL: %s\n" % (action, action_url))
response = session.post(action_url, data=data, verify=self.VERIFY)
self.validate_response(response)
def is_active(self, content):
return bool(
re.findall(r"""<span class=["']deactivate['"]""", content) and
not re.findall(r"""<span class=["']activate['"]""", content)
)
def activate(self, saas, server):
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session = requests.Session()
self.login(session)
try:
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id, content = self.get_id(session, saas)
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except RuntimeError:
pass
else:
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if not self.is_active(content):
return self.do_action('activate', session, id, content, saas)
def deactivate(self, saas, server):
session = requests.Session()
self.login(session)
try:
id, content = self.get_id(session, saas)
except RuntimeError:
pass
else:
if self.is_active(content):
return self.do_action('deactivate', session, id, content, saas)
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def save(self, saas):
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created = self.append(self.create_blog, saas)
if saas.active and not created:
self.append(self.activate, saas)
else:
self.append(self.deactivate, saas)
context = self.get_context(saas)
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context['IDENT'] = "b.domain = '%(domain)s'" % context
if context['blog_id']:
context['IDENT'] = "b.blog_id = '%(blog_id)s'" % context
self.append(textwrap.dedent("""
# Update custom URL mapping
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existing=( $(mysql -Nrs %(db_name)s --execute="
SELECT b.blog_id, b.domain, m.domain, b.path
FROM wp_domain_mapping AS m, wp_blogs AS b
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WHERE m.blog_id = b.blog_id AND m.active AND %(IDENT)s;") )
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if [[ ${existing[0]} != "" ]]; then
echo "Existing blog with ID ${existing[0]}"
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# Clear custom domain
if [[ "%(custom_domain)s" == "" ]]; then
mysql %(db_name)s --execute="
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DELETE FROM m
USING wp_domain_mapping AS m, wp_blogs AS b
WHERE m.blog_id = b.blog_id AND m.active AND %(IDENT)s;
UPDATE wp_blogs
SET path='/'
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WHERE blog_id = ${existing[0]};"
elif [[ "${existing[2]}" != "%(custom_domain)s" || "${existing[3]}" != "%(custom_path)s" ]]; then
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mysql %(db_name)s --execute="
UPDATE wp_domain_mapping as m, wp_blogs as b
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SET m.domain = '%(custom_domain)s', b.path = '%(custom_path)s'
WHERE m.blog_id = b.blog_id AND m.active AND %(IDENT)s;"
fi
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elif [[ "%(custom_domain)s" != "" ]]; then
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echo "Non existing blog with custom domain %(domain)s"
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blog=( $(mysql -Nrs %(db_name)s --execute="
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SELECT blog_id, path
FROM wp_blogs
WHERE domain = '%(domain)s';") )
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if [[ "${blog[0]}" != "" ]]; then
echo "Blog %(domain)s found, ID: ${blog[0]}"
mysql %(db_name)s --execute="
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UPDATE wp_domain_mapping
SET active = 0
WHERE active AND blog_id = ${blog[0]};
INSERT INTO wp_domain_mapping
(blog_id, domain, active) VALUES (${blog[0]}, '%(custom_domain)s', 1);"
if [[ "${blog[1]}" != "%(custom_path)s" ]]; then
mysql %(db_name)s --execute="
UPDATE wp_blogs
SET path = '%(custom_path)s'
WHERE blog_id = ${blog[0]};"
fi
else
echo "Blog %(domain)s not found"
fi
fi""") % context
)
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def delete_blog(self, saas, server):
session = requests.Session()
self.login(session)
try:
id, content = self.get_id(session, saas)
except RuntimeError:
pass
else:
return self.do_action('delete', session, id, content, saas)
def delete(self, saas):
self.append(self.delete_blog, saas)
def get_context(self, saas):
domain = saas.get_site_domain()
context = {
'db_name': settings.SAAS_WORDPRESS_DB_NAME,
'domain': domain,
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'custom_domain': '',
'custom_path': '/',
'blog_id': saas.data.get('blog_id', ''),
}
if saas.custom_url:
custom_url = urlparse(saas.custom_url)
context.update({
'custom_domain': custom_url.netloc,
'custom_path': custom_url.path,
})
return context
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class WordpressMuTraffic(ApacheTrafficByHost):
__doc__ = ApacheTrafficByHost.__doc__
verbose_name = _("Wordpress MU Traffic")
default_route_match = "saas.service == 'wordpress'"
doc_settings = (settings,
('SAAS_TRAFFIC_IGNORE_HOSTS', 'SAAS_WORDPRESS_LOG_PATH')
)
log_path = settings.SAAS_WORDPRESS_LOG_PATH