import os import re import textwrap from django.template import Template, Context from django.utils.translation import ugettext_lazy as _ from orchestra.apps.orchestration import ServiceController from orchestra.apps.resources import ServiceMonitor from .. import settings from ..utils import normurlpath class Apache2Backend(ServiceController): HTTP_PORT = 80 HTTPS_PORT = 443 model = 'websites.Website' related_models = ( ('websites.Content', 'website'), ) verbose_name = _("Apache 2") def render_virtual_host(self, site, context, ssl=False): context['port'] = self.HTTPS_PORT if ssl else self.HTTP_PORT extra_conf = self.get_content_directives(site) directives = site.get_directives() if ssl: extra_conf += self.get_ssl(directives) extra_conf += self.get_security(directives) extra_conf += self.get_redirects(directives) extra_conf += self.get_proxies(directives) context['extra_conf'] = extra_conf return Template(textwrap.dedent("""\ ServerName {{ site.domains.all|first }}\ {% if site.domains.all|slice:"1:" %} ServerAlias {{ site.domains.all|slice:"1:"|join:' ' }}{% endif %}\ {% if access_log %} CustomLog {{ access_log }} common{% endif %}\ {% if error_log %} ErrorLog {{ error_log }}{% endif %} SuexecUserGroup {{ user }} {{ group }}\ {% for line in extra_conf.splitlines %} {{ line | safe }}{% endfor %} #IncludeOptional /etc/apache2/extra-vhos[t]/{{ site_unique_name }}.con[f] """) ).render(Context(context)) def render_redirect_https(self, context): context['port'] = self.HTTP_PORT return Template(textwrap.dedent(""" ServerName {{ site.domains.all|first }}\ {% if site.domains.all|slice:"1:" %} ServerAlias {{ site.domains.all|slice:"1:"|join:' ' }}{% endif %}\ {% if access_log %} CustomLog {{ access_log }} common{% endif %}\ {% if error_log %} ErrorLog {{ error_log }}{% endif %} RewriteEngine On RewriteCond %{HTTPS} off RewriteRule (.*) https://%{HTTP_HOST}%{REQUEST_URI} """) ).render(Context(context)) def save(self, site): context = self.get_context(site) apache_conf = '# %(banner)s\n' % context if site.protocol in (site.HTTP, site.HTTP_AND_HTTPS): apache_conf += self.render_virtual_host(site, context, ssl=False) if site.protocol in (site.HTTP_AND_HTTPS, site.HTTPS_ONLY, site.HTTPS): apache_conf += self.render_virtual_host(site, context, ssl=True) if site.protocol == site.HTTPS_ONLY: apache_conf += self.render_redirect_https(context) context['apache_conf'] = apache_conf self.append(textwrap.dedent("""\ { echo -e '%(apache_conf)s' | diff -N -I'^\s*#' %(sites_available)s - } || { echo -e '%(apache_conf)s' > %(sites_available)s UPDATED=1 }""") % context ) self.enable_or_disable(site) def delete(self, site): context = self.get_context(site) self.append("a2dissite %(site_unique_name)s.conf && UPDATED=1" % context) self.append("rm -fr %(sites_available)s" % context) def commit(self): """ reload Apache2 if necessary """ self.append('if [[ $UPDATED == 1 ]]; then service apache2 reload; fi') def get_content_directives(self, site): directives = '' for content in site.content_set.all().order_by('-path'): directive = content.webapp.get_directive() method, args = directive[0], directive[1:] method = getattr(self, 'get_%s_directives' % method) directives += method(content, *args) return directives def get_static_directives(self, content, app_path): context = self.get_content_context(content) context['app_path'] = app_path % context return "Alias %(location)s/ %(app_path)s/\n" % context def get_fpm_directives(self, content, socket_type, socket, app_path): if socket_type == 'unix': target = 'unix:%(socket)s|fcgi://127.0.0.1%(app_path)s/' if content.path != '/': target = 'unix:%(socket)s|fcgi://127.0.0.1%(app_path)s/$1' elif socket_type == 'tcp': target = 'fcgi://%(socket)s%(app_path)s/$1' else: raise TypeError("%s socket not supported." % socket_type) context = self.get_content_context(content) context.update({ 'app_path': app_path, 'socket': socket, }) return textwrap.dedent("""\ ProxyPassMatch ^%(location)s/(.*\.php(/.*)?)$ {target} Alias %(location)s/ %(app_path)s/ """.format(target=target) % context ) def get_fcgid_directives(self, content, app_path, wrapper_path): context = self.get_content_context(content) context.update({ 'app_path': app_path, 'wrapper_path': wrapper_path, }) return textwrap.dedent("""\ Alias %(location)s/ %(app_path)s/ ProxyPass %(location)s/ ! Options +ExecCGI AddHandler fcgid-script .php FcgidWrapper %(wrapper_path)s """) % context def get_ssl(self, directives): config = '' ca = directives.get('ssl_ca') if ca: config += "SSLCACertificateFile %s\n" % ca[0] cert = directives.get('ssl_cert') if cert: config += "SSLCertificateFile %\n" % cert[0] key = directives.get('ssl_key') if key: config += "SSLCertificateKeyFile %s\n" % key[0] return config def get_security(self, directives): config = '' for rules in directives.get('sec_rule_remove', []): for rule in rules.value.split(): config += "SecRuleRemoveById %i\n" % int(rule) for modsecurity in directives.get('sec_rule_off', []): config += textwrap.dedent("""\ SecRuleEngine off """) % modsecurity return config def get_redirects(self, directives): config = '' for redirect in directives.get('redirect', []): source, target = redirect.split() if re.match(r'^.*[\^\*\$\?\)]+.*$', redirect): config += "RedirectMatch %s %s\n" % (source, target) else: config += "Redirect %s %s\n" % (source, target) return config def get_proxies(self, directives): config = '' for proxy in directives.get('proxy', []): source, target = proxy.split() source = normurlpath(source) config += 'ProxyPass %s %s\n' % (source, target) config += 'ProxyPassReverse %s %s\n' % (source, target) return config # def get_protections(self, site): # protections = '' # context = self.get_context(site) # for protection in site.directives.filter(name='directory_protection'): # path, name, passwd = protection.value.split() # path = os.path.join(context['root'], path) # passwd = os.path.join(self.USER_HOME % context, passwd) # protections += textwrap.dedent(""" # # AllowOverride All # #AuthPAM_Enabled off # AuthType Basic # AuthName %s # AuthUserFile %s # # require valid-user # # """ % (path, name, passwd) # ) # return protections def enable_or_disable(self, site): context = self.get_context(site) if site.is_active: self.append(textwrap.dedent("""\ if [[ ! -f %(sites_enabled)s ]]; then a2ensite %(site_unique_name)s.conf UPDATED=1 fi""") % context ) else: self.append(textwrap.dedent("""\ if [[ -f %(sites_enabled)s ]]; then a2dissite %(site_unique_name)s.conf; UPDATED=1 fi""") % context ) def get_username(self, site): option = site.get_directives().get('user_group') if option: return option[0] return site.account.username def get_groupname(self, site): option = site.get_directives().get('user_group') if option and ' ' in option: user, group = option.split() return group return site.account.username def get_context(self, site): base_apache_conf = settings.WEBSITES_BASE_APACHE_CONF sites_available = os.path.join(base_apache_conf, 'sites-available') sites_enabled = os.path.join(base_apache_conf, 'sites-enabled') context = { 'site': site, 'site_name': site.name, 'ip': settings.WEBSITES_DEFAULT_IP, 'site_unique_name': site.unique_name, 'user': self.get_username(site), 'group': self.get_groupname(site), 'sites_enabled': "%s.conf" % os.path.join(sites_enabled, site.unique_name), 'sites_available': "%s.conf" % os.path.join(sites_available, site.unique_name), 'access_log': site.get_www_access_log_path(), 'error_log': site.get_www_error_log_path(), 'banner': self.get_banner(), } return context def get_content_context(self, content): context = self.get_context(content.website) context.update({ 'type': content.webapp.type, 'location': normurlpath(content.path), 'app_name': content.webapp.name, 'app_path': content.webapp.get_path(), }) return context class Apache2Traffic(ServiceMonitor): model = 'websites.Website' resource = ServiceMonitor.TRAFFIC verbose_name = _("Apache 2 Traffic") def prepare(self): super(Apache2Traffic, self).prepare() ignore_hosts = '\\|'.join(settings.WEBSITES_TRAFFIC_IGNORE_HOSTS) context = { 'current_date': self.current_date.strftime("%Y-%m-%d %H:%M:%S %Z"), 'ignore_hosts': '-v "%s"' % ignore_hosts if ignore_hosts else '', } self.append(textwrap.dedent("""\ function monitor () { OBJECT_ID=$1 INI_DATE=$(date "+%%Y%%m%%d%%H%%M%%S" -d "$2") END_DATE=$(date '+%%Y%%m%%d%%H%%M%%S' -d '%(current_date)s') LOG_FILE="$3" { { grep %(ignore_hosts)s ${LOG_FILE} || echo -e '\\r'; } \\ | awk -v ini="${INI_DATE}" -v end="${END_DATE}" ' BEGIN { sum = 0 months["Jan"] = "01" months["Feb"] = "02" months["Mar"] = "03" months["Apr"] = "04" months["May"] = "05" months["Jun"] = "06" months["Jul"] = "07" months["Aug"] = "08" months["Sep"] = "09" months["Oct"] = "10" months["Nov"] = "11" months["Dec"] = "12" } { # date = [11/Jul/2014:13:50:41 date = substr($4, 2) year = substr(date, 8, 4) month = months[substr(date, 4, 3)]; day = substr(date, 1, 2) hour = substr(date, 13, 2) minute = substr(date, 16, 2) second = substr(date, 19, 2) line_date = year month day hour minute second if ( line_date > ini && line_date < end) sum += $NF } END { print sum }' || [[ $? == 1 ]] && true } | xargs echo ${OBJECT_ID} }""") % context) def monitor(self, site): context = self.get_context(site) self.append('monitor {object_id} "{last_date}" {log_file}'.format(**context)) def get_context(self, site): return { 'log_file': '%s{,.1}' % site.get_www_log_path(), 'last_date': self.get_last_date(site.pk).strftime("%Y-%m-%d %H:%M:%S %Z"), 'object_id': site.pk, }