werc/bin/werclib.rc

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fn get_lib_file {
if(! ~ $#sitedir 0 && test -f $sitedir/_werc/lib/$1)
echo -n $sitedir/_werc/lib/$1
if not if(! ~ $#masterSite 0 && test -f $sitesdir/$masterSite/_werc/lib/$1)
echo -n $sitesdir/$masterSite/_werc/lib/$1
if not if(test -f lib/$1)
echo -n lib/$1
if not if(~ $#* 2)
echo -n $2
if not
status='Can''t find lib file: '$1
}
fn template { awk -f bin/template.awk $* | rc $rcargs }
# Auth code
# TODO: check http://cookies.lcs.mit.edu/pubs/webauth:tr.pdf
allowed_user_chars='[a-zA-Z0-9_]'
# 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 {
# Note: we set the cookie even if it is already there.
if(get_user $*)
set_cookie werc_user $"logged_user^':0:'^$"logged_password
}
# Check login status, if called with group arg we check membership too
fn check_user {
get_user
g=($* admin)
_status=$status
if(! ~ $"_status '')
_status=(Not logged in: $"_status)
if not if(! ~ $#* 0 && ! ~ $logged_user $* && ! grep -s '^'^$logged_user^'$' $werc_root/etc/users/$g/members >[2]/dev/null)
_status=(User $logged_user not in: $*)
status=$_status
}
# If not logged in, try to get user login info from POST or from cookie
fn get_user {
if(~ $#logged_user 0) {
if(~ $#* 2) {
user_name=$1
user_password=$2
}
if not if(~ $REQUEST_METHOD POST)
get_post_args user_name user_password
if(~ $#user_name 0) {
ifs=':' { cu=`{ifs=$difs {get_cookie werc_user} | tr -d $NEW_LINE} }
if(! ~ $#cu 0) {
user_name=$cu(1)
user_password=$cu(3)
}
}
auth_user $user_name $user_password
}
if not
status=()
}
# Check if user_name and user_password represent a valid user account
# If valid, 'log in' by setting logged_user
fn auth_user {
user_name=$1
user_password=$2
pfile=$werc_root/etc/users/$"user_name/password
if(~ $#user_name 0 || ~ $#user_password 0)
status=('Auth: missing user name or pass: '^$"user_name^' / '^$"user_password)
if not if(! test -f $pfile)
status=('Auth: cant find '^$pfile)
if not if(! test -s $pfile || ! ~ $user_password `{cat $pfile})
status=('Auth: Pass '$user_password' doesnt match '^`{cat $pfile})
if not {
logged_user=$user_name
logged_password=$user_password
dprint Auth: success
status=()
}
}
fn user_controls {
echo User: $"logged_user
}
# .md '(meta-)data' extract
fn get_md_file_attr {
sed -n '/^\* '$2': /p; /^\* '$2': /q; /^$/q' < $1
}
# File title extraction
fn get_md_title {
#sed 's/^(................................................................[^ ]*).*$/\1/g; 1q' < $1
sed -n -e '1N; /^.*\n===*$/N; /.*\n===*\n *$/!b' -e 's/\n==*\n//p' < $1
}
fn get_html_title {
t=`{sed -n '32q; s/^.*<[Tt][Ii][Tt][Ll][Ee]> *([^<]+) *(<\/[Tt][Ii][Tt][Ll][Ee]>.*)?$/\1/p' < $1}
# As a backup we might want to pick the first 'non-tag' text in the file with:
if(~ $"t '')
t=`{sed -n -e 's/^(<[^>]+>)*([^<]+).*/\2/p; 32q' < $1 | sed 1q}
echo $t
}
fn get_file_title {
if (~ $1 *.md)
get_md_title $1
if not if(~ $1 *.html)
get_html_title $1
if not if(~ $1 */) {
if(test -f $1/index.md)
get_md_title $1/index.md
if not if(test -f $1/index.html)
get_html_title $1/index.html
}
}
##########################################################################
##########################################################################
#app_blog_methods = ( _post index.rss )
#fn app_blog__post {
# echo
#}
#
#app_blog___default {
# if (~ $blog)
# call_app blogpost
#}
#
## --
#app_blogpost_methods = ( comment _edit )
#
#fn app_blogpost_comment {
# call_app comments
#}
#
## --
#app_comments_methods = ( _post _edit )
#
#fn app_comments___default {
#
#}