switch to mobile version if appropriate (#5698)

wcs/qommon/http_request.py

@@ -16,6 +16,7 @@
 
 import base64
 import json
+import re
 
 from quixote import get_session, get_publisher
 import quixote.http_request
@@ -128,3 +129,13 @@ class HTTPRequest(quixote.http_request.HTTPRequest):
         if self.form and self.form.get('format') == 'json':
             return True
         return False
+
+    def has_mobile_user_agent(self):
+        # regex from http://detectmobilebrowsers.com/
+        reg_b = re.compile(r"(android|bb\\d+|meego).+mobile|avantgo|bada\\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|mobile.+firefox|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\\.(browser|link)|vodafone|wap|windows ce|xda|xiino", re.I|re.M)
+        reg_v = re.compile(r"1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\\-(n|u)|c55\\/|capi|ccwa|cdm\\-|cell|chtm|cldc|cmd\\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\\-s|devi|dica|dmob|do(c|p)o|ds(12|\\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\\-|_)|g1 u|g560|gene|gf\\-5|g\\-mo|go(\\.w|od)|gr(ad|un)|haie|hcit|hd\\-(m|p|t)|hei\\-|hi(pt|ta)|hp( i|ip)|hs\\-c|ht(c(\\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\\-(20|go|ma)|i230|iac( |\\-|\\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\\/)|klon|kpt |kwc\\-|kyo(c|k)|le(no|xi)|lg( g|\\/(k|l|u)|50|54|\\-[a-w])|libw|lynx|m1\\-w|m3ga|m50\\/|ma(te|ui|xo)|mc(01|21|ca)|m\\-cr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\\-2|po(ck|rt|se)|prox|psio|pt\\-g|qa\\-a|qc(07|12|21|32|60|\\-[2-7]|i\\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\\-|oo|p\\-)|sdk\\/|se(c(\\-|0|1)|47|mc|nd|ri)|sgh\\-|shar|sie(\\-|m)|sk\\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\\-|v\\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\\-|tdg\\-|tel(i|m)|tim\\-|t\\-mo|to(pl|sh)|ts(70|m\\-|m3|m5)|tx\\-9|up(\\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas\\-|your|zeto|zte\\-", re.I|re.M)
+
+        user_agent = self.get_header('User-Agent', '')
+        b = reg_b.search(user_agent)
+        v = reg_v.search(user_agent[0:4])
+        return (b or v)

wcs/qommon/publisher.py

@@ -538,10 +538,39 @@ class QommonPublisher(Publisher):
         if request.response.page_template_key == 'iframe':
             request.response.iframe_mode = True
 
+        self.set_config(request)
+
+        if request.get_cookie('mobile') == 'false':
+            # if the mobile mode is explicitely disabled, we will use the
+            # default theme variant
+            request.response.page_template_key = None
+        elif request.get_cookie('mobile') == 'true':
+            # if the mobile mode is explicitely asked, we will use the mobile
+            # theme variant
+            request.response.page_template_key = 'mobile'
+        elif request.has_mobile_user_agent():
+            # if a mobile user agent is detected and there are no explicit
+            # direction, we will use the mobile theme variant
+            request.response.page_template_key = 'mobile'
+
+        # if a ?toggle-mobile query string is passed, we explicitely set the
+        # mode and reload the current page.
+        if request.get_query() == 'toggle-mobile':
+            if self.config.session_cookie_path:
+                path = self.config.session_cookie_path
+            else:
+                path = request.get_environ('SCRIPT_NAME')
+                if not path.endswith('/'):
+                    path += '/'
+            if request.response.page_template_key == 'mobile':
+                request.response.set_cookie('mobile', 'false', path=path)
+            else:
+                request.response.set_cookie('mobile', 'true', path=path)
+            return redirect(request.get_path())
+
         if request.get_environ('QOMMON_PAGE_TEMPLATE_KEY'):
             request.response.page_template_key = request.get_environ('QOMMON_PAGE_TEMPLATE_KEY')
 
-        self.set_config(request)
         request.language = self.get_site_language()
         self.install_lang(request.language)
         self.substitutions.reset()