change user scalable in different devices (#6051)

haiwen · May 6, 2024 · 797df2b · 797df2b
1 parent 20f2173
commit 797df2b
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diff --git a/seahub/base/middleware.py b/seahub/base/middleware.py
@@ -98,3 +98,82 @@ def process_request(self, request):
         if request.session.get('force_passwd_change', False):
             if self._request_in_black_list(request):
                 return HttpResponseRedirect(reverse('auth_password_change'))
+
+class UserAgentMiddleWare(MiddlewareMixin):
+    user_agents_test_match = (
+        "w3c ", "acs-", "alav", "alca", "amoi", "audi",
+        "avan", "benq", "bird", "blac", "blaz", "brew",
+        "cell", "cldc", "cmd-", "dang", "doco", "eric",
+        "hipt", "inno", "ipaq", "java", "jigs", "kddi",
+        "keji", "leno", "lg-c", "lg-d", "lg-g", "lge-",
+        "maui", "maxo", "midp", "mits", "mmef", "mobi",
+        "mot-", "moto", "mwbp", "nec-", "newt", "noki",
+        "xda",  "palm", "pana", "pant", "phil", "play",
+        "port", "prox", "qwap", "sage", "sams", "sany",
+        "sch-", "sec-", "send", "seri", "sgh-", "shar",
+        "sie-", "siem", "smal", "smar", "sony", "sph-",
+        "symb", "t-mo", "teli", "tim-", "tosh", "tsm-",
+        "upg1", "upsi", "vk-v", "voda", "wap-", "wapa",
+        "wapi", "wapp", "wapr", "webc", "winw", "xda-",)
+    user_agents_test_search = u"(?:%s)" % u'|'.join((
+        'up.browser', 'up.link', 'mmp', 'symbian', 'smartphone', 'midp',
+        'wap', 'phone', 'windows ce', 'pda', 'mobile', 'mini', 'palm',
+        'netfront', 'opera mobi',
+    ))
+    user_agents_exception_search = u"(?:%s)" % u'|'.join((
+        'ipad',
+    ))
+    http_accept_regex = re.compile("application/vnd\.wap\.xhtml\+xml", re.IGNORECASE)
+    user_agents_android_search = u"(?:android)"
+    user_agents_mobile_search = u"(?:mobile)"
+    user_agents_tablets_search = u"(?:%s)" % u'|'.join(('ipad', 'tablet', ))
+
+    def __init__(self, get_response=None):
+        self.get_response = get_response
+
+        # these for detect mobile
+        user_agents_test_match = r'^(?:%s)' % '|'.join(self.user_agents_test_match)
+        self.user_agents_test_match_regex = re.compile(user_agents_test_match, re.IGNORECASE)
+        self.user_agents_test_search_regex = re.compile(self.user_agents_test_search, re.IGNORECASE)
+        self.user_agents_exception_search_regex = re.compile(self.user_agents_exception_search, re.IGNORECASE)
+
+        # these three used to detect tablet
+        self.user_agents_android_search_regex = re.compile(self.user_agents_android_search, re.IGNORECASE)
+        self.user_agents_mobile_search_regex = re.compile(self.user_agents_mobile_search, re.IGNORECASE)
+        self.user_agents_tablets_search_regex = re.compile(self.user_agents_tablets_search, re.IGNORECASE)
+
+    def process_request(self, request):
+        is_mobile = False
+        is_tablet = False
+
+        if 'HTTP_USER_AGENT' in request.META:
+            user_agent = request.META['HTTP_USER_AGENT']
+
+            # Test common mobile values.
+            if self.user_agents_test_search_regex.search(user_agent) and \
+                not self.user_agents_exception_search_regex.search(user_agent):
+                is_mobile = True
+            else:
+                # Nokia like test for WAP browsers.
+                # http://www.developershome.com/wap/xhtmlmp/xhtml_mp_tutorial.asp?page=mimeTypesFileExtension
+
+                if 'HTTP_ACCEPT' in request.META:
+                    http_accept = request.META['HTTP_ACCEPT']
+                    if self.http_accept_regex.search(http_accept):
+                        is_mobile = True
+
+            if not is_mobile:
+                # Now we test the user_agent from a big list.
+                if self.user_agents_test_match_regex.match(user_agent):
+                    is_mobile = True
+
+            # Ipad or Blackberry
+            if self.user_agents_tablets_search_regex.search(user_agent):
+                is_tablet = True
+            # Android-device. If User-Agent doesn't contain Mobile, then it's a tablet
+            elif (self.user_agents_android_search_regex.search(user_agent) and
+                  not self.user_agents_mobile_search_regex.search(user_agent)):
+                is_tablet = True
+
+        request.is_mobile = is_mobile
+        request.is_tablet = is_tablet
diff --git a/seahub/settings.py b/seahub/settings.py
@@ -139,6 +139,7 @@
     'seahub.two_factor.middleware.ForceTwoFactorAuthMiddleware',
     'seahub.trusted_ip.middleware.LimitIpMiddleware',
     'seahub.organizations.middleware.RedirectMiddleware',
+    'seahub.base.middleware.UserAgentMiddleWare',
 ]
 
 SITE_ROOT_URLCONF = 'seahub.urls'

diff --git a/seahub/templates/base.html b/seahub/templates/base.html
@@ -8,7 +8,11 @@
 <meta name="keywords" content="{% trans "File, Collaboration, Team, Organization" %}" />
 {% if site_description != '' %}<meta name="description" content="{{ site_description }}" />{% endif %}
 {% block viewport %}
+{% if request.is_mobile or request.is_tablet %}
 <meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no" />
+{% else %}
+<meta name="viewport" content="width=device-width, initial-scale=1" />
+{% endif %}
 {% endblock %}
 <meta http-equiv="x-ua-compatible" content="ie=edge" />
 <link rel="icon" href="{{ MEDIA_URL }}{{ favicon_path }}" type="image/x-icon">

diff --git a/seahub/templates/base_for_react.html b/seahub/templates/base_for_react.html
@@ -9,7 +9,11 @@
 <meta name="keywords" content="{% trans "File, Collaboration, Team, Organization" %}" />
 {% if site_description != '' %}<meta name="description" content="{{ site_description }}" />{% endif %}
 {% block viewport %}
+{% if request.is_mobile or request.is_tablet %}
 <meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no" />
+{% else %}
+<meta name="viewport" content="width=device-width, initial-scale=1" />
+{% endif %}
 {% endblock %}
 {% block extra_ogp_tags %}{% endblock %}
 <meta http-equiv="x-ua-compatible" content="ie=edge" />

diff --git a/seahub/templates/markdown_file_view_react.html b/seahub/templates/markdown_file_view_react.html
@@ -4,7 +4,11 @@
 <html lang="{{ LANGUAGE_CODE }}">
     <head>
         <meta charset="UTF-8" />
+        {% if request.is_mobile or request.is_tablet %}
         <meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no" />
+        {% else %}
+        <meta name="viewport" content="width=device-width, initial-scale=1" />
+        {% endif %}
         <title>{{ filename }}</title>
 
         <link rel="icon" href="{{ MEDIA_URL }}{{ favicon_path }}" id="favicon" />

diff --git a/seahub/templates/plain_markdown_file_view_react.html b/seahub/templates/plain_markdown_file_view_react.html
@@ -4,7 +4,11 @@
 <html lang="{{ LANGUAGE_CODE }}">
     <head>
         <meta charset="UTF-8" />
+        {% if request.is_mobile or request.is_tablet %}
         <meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no" />
+        {% else %}
+        <meta name="viewport" content="width=device-width, initial-scale=1" />
+        {% endif %}
         <title>{{ filename }}</title>
 
         <link rel="icon" href="{{ MEDIA_URL }}{{ favicon_path }}" id="favicon" />

diff --git a/seahub/two_factor/templates/two_factor/_base.html b/seahub/two_factor/templates/two_factor/_base.html
@@ -2,7 +2,11 @@
 <html>
 <head>
   <title>{% block title %}{% endblock %}</title>
-  <meta name="viewport" content="width=device-width, initial-scale=1.0">
+  {% if request.is_mobile or request.is_tablet %}
+  <meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no" />
+  {% else %}
+  <meta name="viewport" content="width=device-width, initial-scale=1" />
+  {% endif %}
   <link href="//cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.0.2/css/bootstrap.min.css" rel="stylesheet" media="screen">
   <!--[if lt IE 9]>
     <script src="//cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7/html5shiv.js"></script>