ref: 3f89cfc159a24f1851b572c29410a07fe32b7b4a
parent: 2cb54b9f05cc4a7cc882c8a934ea89b06f2e3e17
author: uriel <uriel@engel.se.cat-v.org>
date: Fri Oct 17 23:26:54 EDT 2008
Many big changes: * Cache arg list in get_post_args so it can be called more than once and from inside templates. * Get/set_cookie functions. * New user auth system that actually works. * Make_blog_post actually works now. * Many other fixes and improvments.
--- a/bin/cgilib.rc
+++ b/bin/cgilib.rc
@@ -16,13 +16,26 @@
}
fn get_post_args {- ifs='&
-' for(pair in `{cat}) {- pair = `{echo -n $pair | sed 's/=/\&/'} \- ifs=() \
- if(~ $pair(1) $*)
- $pair(1) = `{echo $pair(2) | urldecode | tr -d '
'}+ if(~ $#POST_ARGS 0) {+ ifs='&
+' for(pair in `{cat}) {+ pair = `{echo -n $pair | sed 's/=/\&/'} \+ # Maybe we should urldecode on the first pass?
+ POST_ARGS = ($POST_ARGS $pair)
+ ifs=() \
+ if(~ $pair(1) $*)
+ $pair(1) = `{echo -n $pair(2) | urldecode | tr -d '
'}+ }
}
+ if not {+ pa = $POST_ARGS
+ while(! ~ $#pa 0) {+ ifs=() \
+ if(~ $pa(1) $*)
+ $pa(1) = `{echo -n $pa(2) | urldecode | tr -d '
'}+ pa = $pa(3-)
+ }
+ }
}
# Is this really useful?
@@ -46,7 +59,7 @@
v = `{echo -n $i | sed 's/^/rec_/; s/=.*//;'} $v = `{echo -n $i | sed 's/^[^=]*=//'}}
- ifs=() rec_data = `{sed -n '/^[^%]./,$p' < $1}+ ifs=() { rec_data = `{sed -n '/^[^%]./,$p' < $1} }}
@@ -88,40 +101,121 @@
decoded = decoded c
++i
}
- print decoded
+ printf decoded
}
'
}
+# Cookies
+fn set_cookie {+ # TODO: should check input values more carefully
+ name = $1
+ val = $2
+ extraHttpHeaders = ($extraHttpHeaders 'Set-cookie: '^$"name^'='^$"val^'; path=/;')
+}
+fn get_cookie {+ ifs=';' { co = `{ echo $HTTP_COOKIE } }+
+ #for(c in $co)
+ # if(~ $c $1^'='*) # This matching doesn't work
+ # echo $c|sed 's/[^=]*=//'
+
+ # WARNING: we might be adding a trailing new line
+ { for(c in $co) echo $c} | sed -n 's/[^=]*=//p' +}
+
# Auth code
# Cookie format: WERC_USER: name:timestamp:hash(name.timestamp.password)
+# login_user can't be used from a template because it sets a cookie!
+fn login_user {+ get_post_args user_name user_password
+ if(auth_user $user_name $user_password) {+ set_cookie werc_user $"user_name^':0:'^$"user_password
+ dprint Auth: SET COOKIE FOR USER: $user_name
+ }
+ if not {+ dprint Auth: failed login for $user_name $user_password
+ false
+ }
+}
+
fn auth_user {- group = $1
- user_name = $2
- user_pass = $3
+ user_name = $1
+ user_pass = $2
- pfile = etc/users/$user_name/password
- grep -s '^'^$user_name^'$' etc/groups/$group && test -f $pfile && ~ $user_pass `{cat $pfile}+ pfile = 'etc/users/'^$"user_name^'/password'
+ if (~ $#user_name 0 || ~ $#user_password 0) {+ dprint Auth: missing user name or pass: $user_name / $user_password
+ false
+ }
+ if not if(! test -f $pfile) {+ dprint Auth: cant find $pfile
+ false
+ }
+ if not if (! ~ $user_pass `{cat $pfile}) {+ dprint Auth: Pass $user_pass doesnt match `{cat $pfile}+ false
+ }
+ if not {+ dprint Auth: success
+ true
+ }
}
+fn user_in_group {+ if(~ $#logged_user 0)
+ get_user
+ if(~ $#logged_user 0) {+ dprint Auth: user_in_group: No logged in user
+ false
+ }
+ if not if (! grep -s '^'^$logged_user^'$' etc/groups/$1) {+ dprint Auth: user_in_group: Cant find $logged_user in etc/groups/$1
+ false
+ }
+ if not
+ true
+}
+
+fn get_user {+ if(~ $REQUEST_METHOD POST)
+ get_post_args user_name user_password
+ if(~ $#user_name 0) { + ifs=':' { cu = `{get_cookie werc_user|tr -d $NEW_LINE} }+ if(! ~ $#cu 0) {+ user_name = $cu(1)
+ user_password = $cu(3)
+ }
+ }
+ if(! ~ $#user_name 0 && auth_user $user_name $user_password) {+ logged_user = $user_name
+ logged_password = $user_password
+ }
+}
+
fn make_blog_post {bdir = $1
- title = $2
+ btitle = $2
+ btext = $3
+ if(! ~ 0 $#1 $#2 $#3) {+ date=`{/bin/date +%F}- date=`{/bin/date +%F}+ n = 1
+ for(f in $bdir^$date^'-'*) {+ i = `{echo -n $f | sed -n 's,^.*/'$date'-([0-9]+)_.*,\1,p'|tr -d $NEW_LINE}+ if(! ~ $#i 0 && test $i -ge $n)
+ n = `{hoc -e $i'+1'}+ }
+ btitle = `{echo -n $"btitle | sed 's/[ ]+/_/g; 1q'}- n = 1
- for(f in $bdir/$date-*) {- i = `{echo $f | sed -n 's|^.*/'$date'-([0-9]+)_.*|\1|p'}- if(! ~ $#i 0 && test $i -ge $n)
- n = `{hoc -e $i'+1'}+ echo $btext > $bdir^'/'^$"date^'-'^$"n^_$"btitle.md
}
- title = `{echo $"title | sed 's/[ ]+/_/g; 1q'}-
- $bdir/$"date^'-'^$"n^_$"title.md
-
+ if not {+ dprint $1 $2 $3
+ false
+ }
}
--- a/bin/controller.rc
+++ b/bin/controller.rc
@@ -257,6 +257,11 @@
if(! ~ $#debug 0)
dprint ' ' $SERVER_NAME^$REQUEST_URI^' - '^$"HTTP_USER_AGENT
+# Hack: preload post data so we can access it from templates where cgi's stdin is not accesible
+if(~ $REQUEST_METHOD POST) {+ get_post_args
+ login_user
+}
if (! ~ $args '') {if (~ $args($#args) 'index')