Mobile Redirect using htaccess

Question

I have a website called  www website org  I have a mobile website called  m website org  I want to use an htaccess to automatically redirect the main website URL to the mobile version    However  there is a link on the mobile version that points back to the main website called  www website org noredirect true  When I click the logo on the home page of the actual website it links to  www website org  I don t want the user to be allowed back to mobile accidentally by clicking on the logo on the main page  How can I accomplish this via htaccess without JavaSCript   If not I am open-minded to alternate options   EDIT  I think I am currently going to use this for sensing mobile redirect via htaccess  RewriteEngine On RewriteBase    RewriteCond   HTTP USER AGENT  android avantgo blackberry blazer compal elaine fennec hiptop iemobile ip hone od  iris kindle lge   maemo midp mmp opera  m ob in i palm   os   phone p ixi re    plucker pocket psp symbian treo up   browser link  vodafone wap windows   ce phone  xda xiino  NC OR  RewriteCond   HTTP USER AGENT    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 e - e    - a-w   libw lynx m1 -w m3ga m50   ma te ui xo  mc 01 21 ca  m -cr me di 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 xda  - 2 g  yas - your zeto zte -   NC  RewriteRule    http   m website com  R L

User · Answer

I modified Tim Stone s solution even further   This allows the cookie to be in 2 states  1 for mobile and 0 for full   When the mobile cookie is set to 0 even a mobile browser will go to the full site   Here is the code    lt IfModule mod rewrite c gt      RewriteBase       RewriteEngine On        Check if mobile 1 is set and set cookie  mobile  equal to 1     RewriteCond   QUERY STRING      amp  mobile 1  amp         RewriteRule   -  CO mobile 1   HTTP HOST          Check if mobile 0 is set and set cookie  mobile  equal to 0     RewriteCond   QUERY STRING      amp  mobile 0  amp         RewriteRule   -  CO mobile 0   HTTP HOST          cookie can t be set and read in the same request so check     RewriteCond   QUERY STRING      amp  mobile 0  amp         RewriteRule   -  S 1         Check if this looks like a mobile device     RewriteCond   HTTP x-wap-profile       OR      RewriteCond   HTTP USER AGENT   android blackberry ipad iphone ipod iemobile opera mobile palmos webos googlebot-mobile   NC OR      RewriteCond   HTTP Profile                   Check if we re not already on the mobile site     RewriteCond   HTTP HOST             m         Check to make sure we haven t set the cookie before     RewriteCond   HTTP Cookie           mobile 0            Now redirect to the mobile site     RewriteRule   http   m example com  REQUEST URI   R L   lt  IfModule gt

User · Answer

You can also try this  Credits to the original author who has since removed the script   mobile class php   lt  php                                                          Mobile version detection ----------------------------------------------------- compliments of http   www buchfelder biz                                                             mobile    http   www stepforth mobi    text     SERVER  HTTP USER AGENT     var 0     Mozilla 4     var 1     Mozilla 3 0    var 2     AvantGo    var 3     ProxiNet    var 4     Danger hiptop 1 0    var 5     DoCoMo     var 6     Google CHTML Proxy     var 7     UP Browser     var 8     SEMC-Browser     var 9     J-PHONE     var 10     PDXGW     var 11     ASTEL     var 12     Mozilla 1 22    var 13     Handspring    var 14     Windows CE    var 15     PPC    var 16     Mozilla 2 0    var 17     Blazer     var 18     Palm    var 19     WebPro     var 20     EPOC32-WTL     var 21     Tungsten    var 22     Netfront     var 23     Mobile Content Viewer     var 24     PDA    var 25     MMP 2 0    var 26     Embedix     var 27     Qtopia     var 28     Xiino     var 29     BlackBerry    var 30     Gecko 20031007    var 31     MOT-    var 32     UP Link     var 33     Smartphone    var 34     portalmmm     var 35     Nokia    var 36     Symbian    var 37     AppleWebKit 413    var 38     UPG1 UP     var 39     RegKing    var 40     STNC-WTL     var 41     J2ME    var 42     Opera Mini     var 43     SEC-    var 44     ReqwirelessWeb     var 45     AU-MIC     var 46     Sharp    var 47     SIE-    var 48     SonyEricsson    var 49     Elaine     var 50     SAMSUNG-    var 51     Panasonic    var 52     Siemens    var 53     Sony    var 54     Verizon    var 55     Cingular    var 56     Sprint    var 57     AT amp T     var 58     Nextel    var 59     Pocket PC    var 60     T-Mobile        var 61     Orange    var 62     Casio    var 63     HTC    var 64     Motorola    var 65     Samsung    var 66     NEC     result   count  var    for   i 0  i lt  result  i               ausg   stristr  text   var  i            if strlen  ausg  gt 0                header  location   mobile            exit             gt    Just edit the  mobile    http   www stepforth mobi

User · Answer

For Mobiles like domain com m   RewriteCond   HTTP REFERER    http        domain com      NC  RewriteCond   REQUEST URI     m     RewriteCond   HTTP USER AGENT   android blackberry iphone ipod iemobile opera mobile palmos webos googlebot-mobile   NC  RewriteRule         m   L R 302

User · Answer

Thanks Tim Stone  naunu  and Kevin Bond  those answers really helped me  Here is my adaption of your code  I added the functionality to be redirected back to the desktop site from m example com in case the user does not visit the site with a mobile device  Additionally I added an environment variable to preserve http https requests     Set an environment variable for http https  RewriteCond   HTTPS   on RewriteRule        -  env ps https  RewriteCond   HTTPS    on RewriteRule        -  env ps http     Check if m 1 is set and set cookie  m  equal to 1  RewriteCond   QUERY STRING      amp  m 1  amp     RewriteRule   -  CO m 1 example com     Check if m 0 is set and set cookie  m  equal to 0  RewriteCond   QUERY STRING      amp  m 0  amp     RewriteRule   -  CO m 0 example com     Cookie can t be set and read in the same request so check  RewriteCond   QUERY STRING      amp  m 0  amp     RewriteRule   -  S 1     Check if this looks like a mobile device  RewriteCond   HTTP x-wap-profile       OR  RewriteCond   HTTP USER AGENT   android blackberry ipad iphone ipod iemobile opera mobile palmos webos googlebot-mobile   NC OR  RewriteCond   HTTP Profile        Check if we re not already on the mobile site  RewriteCond   HTTP HOST    m     Check if cookie is not set to force desktop site  RewriteCond   HTTP COOKIE      m 0     NC    Now redirect to the mobile site preserving http or https  RewriteRule     ENV ps    m example com  REQUEST URI   R L     Check if this looks like a desktop device  RewriteCond   HTTP USER AGENT     android blackberry ipad iphone ipod iemobile opera mobile palmos webos googlebot-mobile    NC    Check if we re on the mobile site  RewriteCond   HTTP HOST   m     Check if cookie is not set to force mobile site  RewriteCond   HTTP COOKIE      m 1     NC    Now redirect to the mobile site preserving http or https  RewriteRule     ENV ps    example com  REQUEST URI   R L    This seems to work fine except one thing  When I m on the desktop site with a desktop device and I visit m example com  m 1  I m redirected to example com  When I try again  I  stay  at m example com  It seems as if the cookie isn t set and or read correctly the first time   Maybe there is a better way to determine if the device is a desktop device  I just negated the device detection from above   And I m wondering if this way all mobile devices are detected  In Tim Stone s and naunu s code that part is much larger

User · Answer

I tested bits and pieces of the following  but not the complete rule set in its entirety  so if you run into trouble with it let me know and I ll dig around a bit more  However  assuming I got everything correct  you could try something like the following   RewriteEngine On    Check if this is the noredirect query string RewriteCond   QUERY STRING      amp  noredirect true  amp       Set a cookie  and skip the next rule RewriteRule   -  CO mredir 0   HTTP HOST  S     Check if this looks like a mobile device    You could add another  OR  to the second one and add in what you    had to check  but I believe most mobile devices should send at    least one of these headers  RewriteCond   HTTP x-wap-profile       OR  RewriteCond   HTTP Profile              Check if we re not already on the mobile site RewriteCond   HTTP HOST             m     Check to make sure we haven t set the cookie before RewriteCond   HTTP Cookie           smredir 0        Now redirect to the mobile site RewriteRule   http   m example org  REQUEST URI   R L

User · Answer

Or you may try this    php        Mobile Detect    license    http   www opensource org licenses mit-license php The MIT License    class Mobile Detect       protected  accept      protected  userAgent      protected  isMobile   false      protected  isAndroid   null      protected  isAndroidtablet   null      protected  isIphone   null      protected  isIpad   null      protected  isBlackberry   null      protected  isBlackberrytablet   null      protected  isOpera   null      protected  isPalm   null      protected  isWindows   null      protected  isWindowsphone   null      protected  isGeneric   null      protected  devices   array       android    gt   android  mobile        androidtablet    gt   android     mobile         blackberry    gt   blackberry        blackberrytablet    gt   rim tablet os        iphone    gt    iphone ipod         ipad    gt    ipad         palm    gt    avantgo blazer elaine hiptop palm plucker xiino         windows    gt   windows ce   iemobile ppc smartphone         windowsphone    gt   windows phone os        generic    gt    kindle mobile mmp midp pocket psp symbian smartphone treo up browser up link vodafone wap opera mini          public function   construct                  this- gt userAgent     SERVER  HTTP USER AGENT             this- gt accept     SERVER  HTTP ACCEPT             if  isset   SERVER  HTTP X WAP PROFILE       isset   SERVER  HTTP PROFILE                            this- gt isMobile   true                    elseif  strpos  this- gt accept   text vnd wap wml    gt  0    strpos  this- gt accept   application vnd wap xhtml xml    gt  0                         this- gt isMobile   true                    else                       foreach   this- gt devices as  device   gt   regexp                                if   this- gt isDevice  device                                          this- gt isMobile   true                                                                 Overloads isAndroid     isAndroidtablet     isIphone     isIpad     isBlackberry     isBlackberrytablet     isPalm     isWindowsphone     isWindows     isGeneric   through isDevice                param string  name        param array  arguments        return bool            public function   call  name   arguments                 device   substr  name  2           if   name     is    ucfirst  device   amp  amp  array key exists strtolower  device    this- gt devices                         return  this- gt isDevice  device                      else                       trigger error  Method  name not defined   E USER WARNING                                  Returns true if any type of mobile device detected  including special ones        return bool            public function isMobile                 return  this- gt isMobile             protected function isDevice  device                 var    is    ucfirst  device            return    this- gt  var     null    bool  preg match        this- gt devices strtolower  device       i    this- gt userAgent     this- gt  var          if   device     generic   amp  amp   return    true             this- gt isGeneric   false            return  return

User · Answer

First  go to the following URL and download the mobile detect php file   http   code google com p php-mobile-detect   Insert the following code on your index or home page    lt  php  include  Mobile Detect php     detect   new Mobile Detect    if   detect- gt isMobile    amp  amp  isset   COOKIE  mobile        detect    false     elseif   detect- gt isMobile      header  Location http   www yourmobiledirectory com        gt

User · Answer

Tim Stone s solution is on the right track  but his initial rewriterule and and his cookie name in the final condition are different  and you can not write and read a cookie in the same request   Here is the finalized working code   RewriteEngine on RewriteBase     Check if this is the noredirect query string RewriteCond   QUERY STRING      amp  m 0  amp       Set a cookie  and skip the next rule RewriteRule   -  CO mredir 0 www website com     Check if this looks like a mobile device    You could add another  OR  to the second one and add in what you    had to check  but I believe most mobile devices should send at    least one of these headers  RewriteCond   HTTP x-wap-profile       OR  RewriteCond   HTTP Profile             OR  RewriteCond   HTTP USER AGENT   acs alav alca amoi audi aste avan benq bird blac blaz brew cell cldc cmd-   NC OR  RewriteCond   HTTP USER AGENT   dang doco eric hipt inno ipaq java jigs kddi keji leno lg-c lg-d lg-g lge-   NC OR  RewriteCond   HTTP USER AGENT    maui maxo midp mits mmef mobi mot- moto mwbp nec- newt noki opwv   NC OR  RewriteCond   HTTP USER AGENT   palm pana pant pdxg phil play pluc port prox qtek qwap sage sams sany   NC OR  RewriteCond   HTTP USER AGENT   sch- sec- send seri sgh- shar sie- siem smal smar sony sph- symb t-mo   NC OR  RewriteCond   HTTP USER AGENT   teli tim- tosh tsm- upg1 upsi vk-v voda w3cs wap- wapa wapi   NC OR  RewriteCond   HTTP USER AGENT   wapp wapr webc winw winw xda xda-   NC OR  RewriteCond   HTTP USER AGENT   up browser up link windowssce iemobile mini mmp   NC OR  RewriteCond   HTTP USER AGENT   symbian midp wap phone pocket mobile pda psp   NC  RewriteCond   HTTP USER AGENT   macintosh  NC     Check if we re not already on the mobile site RewriteCond   HTTP HOST             m     Can not read and write cookie in same request  must duplicate condition RewriteCond   QUERY STRING       amp  m 0  amp         Check to make sure we haven t set the cookie before RewriteCond   HTTP COOKIE             mredir 0     NC     Now redirect to the mobile site RewriteRule   http   m website com  R L

User · Answer

Similarly  if you wanted to redirect to a sub-folder instead of a sub-domain  do the following   Working off of Kevin s great solution you can add this to the  htaccess file in your site s root directory         lt IfModule mod rewrite c gt          RewriteBase           RewriteEngine On            Check if mobile 1 is set and set cookie  mobile  equal to 1         RewriteCond   QUERY STRING      amp  mobile 1  amp             RewriteRule   -  CO mobile 1   HTTP HOST              Check if mobile 0 is set and set cookie  mobile  equal to 0         RewriteCond   QUERY STRING      amp  mobile 0  amp             RewriteRule   -  CO mobile 0   HTTP HOST              cookie can t be set and read in the same request so check         RewriteCond   QUERY STRING      amp  mobile 0  amp             RewriteRule   -  S 1             Check if this looks like a mobile device         RewriteCond   HTTP x-wap-profile       OR          RewriteCond   HTTP USER AGENT   android blackberry ipad iphone ipod iemobile opera mobile palmos webos googlebot-mobile   NC OR          RewriteCond   HTTP Profile                       Check if we re not already on the mobile site         RewriteCond   HTTP HOST             m             Check to make sure we haven t set the cookie before         RewriteCond   HTTP Cookie           mobile 0                Now redirect to the mobile site         RewriteRule   http   www mysite com m   R       lt  IfModule gt    Then  in the  m  folder  add or create an  htaccess with the following        Begin user agent loop fix           RewriteEngine Off          RewriteBase         End user agent loop fix    I know it s not a direct answer to the question  but somebody  like me  might stumble upon this question and wonder how that method would be accomplished as well

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