php - Is it possible for Apache to mod_rewrite a file to its absolute path? -

-

question

is possible re-write symlinked document root resolved absolute path?

in other words, let's assume have following directory structure:

/www/current -> /www/tags/a /www/tags/a /www/tags/b

so /www/current symlink points /www/tags/a.

if /www/current document root, possible re-write file path /www/tags/a, file being served no longer following symlink, serving file @ full absolute path? note not asking followsymlinks. want re-write served file full absolute path.

background info

so may asking, why care this?

well, there appears issue symlinked paths when serving php content. if use symlink part of deploy process, , flip @ exact wrong time, appears apache read previous file, , yet php instantiate magic constants such __file__ resolved new directory.

so in previous example, race condition play out follows:

1) apache receives request /www/current/myfile.php 2) apache/mod_php reads file /www/tags/a/myfile.php 3) symlink gets flipped /www/current -> /www/tags/b 4) php interprets , executes code. looks file directory , resolves __file__ /www/tags/b, wrong file.

this leads sorts of havoc, because new code start including files previous deploys.

i'm aware folks @ etsy have written module seems designed solve problem, i'm wondering if same can accomplished through existing apache modules.


Comments

Post a Comment

Popular posts from this blog

java - WrongTypeOfReturnValue exception thrown when unit testing using mockito -

-
my test list<person> mylist; @test public void testisvalidperson() { mylist = new arraylist<person>(); mylist.add(new person("tom")); when(persondao.get(person)).thenreturn(mylist); when((persondao.get(person)).isempty()).thenreturn(false);//------exception thrown boolean result = service.isvalid("tom"); assertfalse(result); } method tested: public boolean isvalid(string person){ persondao = new persondao(); person personobj = new person(person); return (persondao.get(person).isempty())?false : true; } exception thrown: org.mockito.exceptions.misusing.wrongtypeofreturnvalue: boolean cannot returned get() get() should return list *** if you're unsure why you're getting above error read on. due nature of syntax above problem might occur because: 1. exception *might* occur in wrongly written multi-threaded tests. please refer mockito faq on limitations of concurrency testing. 2. sp
Read more

php - Magento - Deleted Base url key -

-
i working on cleaning url: http://mydomain.com/shop/shop/deals i going through settings in configuration tab in admin panel on magento , change secure , unsecure base urls remove first base url "shop" web page read: http://mydomain.com/shop/deals so changed unsecure base urls mydomain.com/shop mydomain.com , secure 12.345.67.89/shop 12.345.67.89. wrong thing do. i cannot reload page or admin console. how access these files through ftp , change correctly there?? when make changes in admin panel changes made in database not in file. have make changes in database. 1.go database , select core_config_data table under table find web/unsecure/base_url , web/secure/base_url . make changes here. don't forget clear cache in var/cache folder
Read more

android - How to disable Button if EditText is empty ? -

-
i have edittext , button in application. when button clicked,the text entered in edittext added listview. i want disable button if edittext empty.how ? this code button click imagebutton imb=(imagebutton)findviewbyid(r.id.btn_send); imb.setonclicklistener(new onclicklistener() { @override public void onclick(view arg0) { edittext et = (edittext)findviewbyid(r.id.edittext1); string str = et.gettext().tostring(); web1.add(str); toast.maketext(shoutsingleprogram.this, "you entered...."+str, toast.length_short).show(); adapter1.notifydatasetchanged(); et.settext(""); } }); } how can ? edittext1.addtextchangedlistener(new textwatcher() { @override public void ontextchanged(charsequence s, int start, int before, in
Read more