mirror of
https://github.com/mail-in-a-box/mailinabox.git
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105 lines
3.7 KiB
Python
105 lines
3.7 KiB
Python
#####
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##### This file is part of Mail-in-a-Box-LDAP which is released under the
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##### terms of the GNU Affero General Public License as published by the
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##### Free Software Foundation, either version 3 of the License, or (at
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##### your option) any later version. See file LICENSE or go to
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##### https://github.com/downtownallday/mailinabox-ldap for full license
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##### details.
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#####
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#
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# This is a web_update management hook for the remote-nextcloud setup
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# mod.
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#
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# When management/web_update.py creates a new nginx configuration file
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# "local.conf", this mod will ensure that .well-known/caldav and
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# .well-known/carddav urls are redirected to the remote nextcloud.
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#
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# The hook is enabled by placing the file in directory
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# LOCAL_MODS_DIR/managment_hooks_d.
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#
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import os
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import logging
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log = logging.getLogger(__name__)
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def do_hook(hook_name, hook_data, mods_env):
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if hook_name != 'web_update':
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# we only care about hooking web_update
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log.debug('hook - ignoring hook %s', hook_name)
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return False
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if hook_data['op'] != 'pre-save':
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log.debug('hook - ignoring hook op %s:%s', hook_name, hook_data['op'])
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return False
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if 'NC_HOST' not in mods_env or mods_env['NC_HOST'].strip() == '':
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# not configured for a remote nextcloud
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log.debug('hook - not configured for a remote nextcloud')
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return False
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# get the remote nextcloud url and ensure no tailing /
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nc_url = "%s://%s:%s%s" % (
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mods_env['NC_PROTO'],
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mods_env['NC_HOST'],
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mods_env['NC_PORT'],
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mods_env['NC_PREFIX'][0:-1] if mods_env['NC_PREFIX'].endswith('/') else mods_env['NC_PREFIX']
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)
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# find start and end of Nextcloud configuration section
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str = hook_data['nginx_conf']
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start = str.find('# Nextcloud configuration.')
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if start==-1:
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log.error("no Nextcloud configuration found in nginx conf")
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return False
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end = str.find('\n\t# ', start) # this should match comment "# ssl files sha1:...", which is dynamically added by web_update.py:make_domain_config()
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if end==0:
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log.error("couldn't determine end of Nextcloud configuration")
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return False
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if str[end+4:end+4+9] != 'ssl files':
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log.error("expected end replacement block comment to start with 'ssl files', but got '%s'", str[end+4:end+4+9])
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return False
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# ensure we're not eliminating lines that are not nextcloud
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# related in the event that the conf/nginx-* templates change
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#
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# check that every main directive in the proposed section
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# (excluding block directives) should contains the text "cloud",
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# "carddav", or "caldav"
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for line in str[start:end].split('\n'):
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if line.startswith("\t\t"): continue
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line_stripped = line.strip()
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if line_stripped == "" or \
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line_stripped.startswith("#") or \
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line_stripped.startswith("}"):
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continue
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if line_stripped.find('cloud')==-1 and \
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line_stripped.find('carddav')==-1 and \
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line_stripped.find('caldav')==-1:
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log.error("nextcloud replacement block directive did not contain 'cloud', 'carddav' or 'caldav'. line=%s", line_stripped)
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return False
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# ok, do the replacement
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template = """# Nextcloud configuration.
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rewrite ^/cloud$ /cloud/ redirect;
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rewrite ^/cloud/(contacts|calendar|files)$ {nc_url}/index.php/apps/$1/ redirect;
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rewrite ^/cloud/(.*)$ {nc_url}/$1 redirect;
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rewrite ^/.well-known/carddav {nc_url}/remote.php/dav/ redirect;
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rewrite ^/.well-known/caldav {nc_url}/remote.php/dav/ redirect;
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"""
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hook_data['nginx_conf'] = str[0:start] + template.format(nc_url=nc_url) + str[end:]
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return True
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