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plan9fox/werc/bin/werclib.rc
xfnw 217f8d61a1 include werc
2022-06-30 11:40:21 -04:00

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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
}
}
fn ndate {
if(~ $#* 7)
date=$*(2-)
if not
date=`{date}
switch($date(2)){
case Jan; mo=01
case Feb; mo=02
case Mar; mo=03
case Apr; mo=04
case May; mo=05
case Jun; mo=06
case Jul; mo=07
case Aug; mo=08
case Sep; mo=09
case Oct; mo=10
case Nov; mo=11
case Dec; mo=12
}
switch($date(3)){
case [0-9]
da=0^$date(3)
case *
da=$date(3)
}
switch($date(5)){
case A; tz=+0100
case ADT; tz=-0300
case AFT; tz=+430
case AKDT; tz=-0800
case AKST; tz=-0900
case ALMT; tz=+0600
case AMST; tz=-0300
case AMT; tz=-0400
case ANAST; tz=+1200
case ANAT; tz=+1200
case AQTT; tz=+0500
case ART; tz=-0300
case AST; tz=-0400
case AZOST; tz=+0000
case AZOT; tz=-0100
case AZST; tz=+0500
case AZT; tz=+0400
case B; tz=+0200
case BNT; tz=+0800
case BOT; tz=-0400
case BRST; tz=-0200
case BRT; tz=-0300
case BST; tz=+0100
case BTT; tz=+0600
case C; tz=+0300
case CAST; tz=+0800
case CAT; tz=+0200
case CCT; tz=+0630
case CDT; tz=-0500
case CEST; tz=+0200
case CET; tz=+0100
case CHADT; tz=+1345
case CHAST; tz=+1245
case CKT; tz=-1000
case CLST; tz=-0300
case CLT; tz=-0400
case COT; tz=-0500
case CST; tz=-0600
case CVT; tz=-0100
case CXT; tz=+0700
case ChST; tz=+1000
case D; tz=+0400
case DAVT; tz=+0700
case E; tz=+0500
case EASST; tz=-0500
case EAST; tz=-0600
case EAT; tz=+0300
case ECT; tz=-0500
case EDT; tz=-0400
case EEST; tz=+0300
case EET; tz=+0200
case EGST; tz=+0000
case EGT; tz=-0100
case EST; tz=-0500
case ET; tz=-0500
case F; tz=+0600
case FJST; tz=+1300
case FJT; tz=+1200
case FKST; tz=-0300
case FKT; tz=-0400
case FNT; tz=-0200
case G; tz=+0700
case GALT; tz=-0600
case GAMT; tz=-0900
case GET; tz=+0400
case GFT; tz=-0300
case GILT; tz=+1200
case GMT; tz=+0000
case GST; tz=+0400
case GYT; tz=-0400
case H; tz=+0800
case HAA; tz=-0300
case HAC; tz=-0500
case HADT; tz=-0900
case HAE; tz=-0400
case HAP; tz=-0700
case HAR; tz=-0600
case HAST; tz=-1000
case HAT; tz=-0230
case HAY; tz=-0800
case HKT; tz=+0800
case HLV; tz=-0430
case HNA; tz=-0400
case HNC; tz=-0600
case HNE; tz=-0500
case HNP; tz=-0800
case HNR; tz=-0700
case HNT; tz=-0330
case HNY; tz=-0900
case HOVT; tz=+0700
case I; tz=+0900
case ICT; tz=+0700
case IDT; tz=+0300
case IOT; tz=+0600
case IRDT; tz=+0430
case IRKST; tz=+0900
case IRKT; tz=+0800
case IRST; tz=+0330
case IST; tz=+0200
case JST; tz=+0900
case K; tz=+1000
case KGT; tz=+0600
case KRAST; tz=+0800
case KRAT; tz=+0700
case KST; tz=+0900
case KUYT; tz=+0400
case L; tz=+1100
case LHDT; tz=+1100
case LHST; tz=+1030
case LINT; tz=+1400
case M; tz=+1200
case MAGST; tz=+1200
case MAGT; tz=+1100
case MART; tz=-0930
case MAWT; tz=+0500
case MDT; tz=-0600
case MHT; tz=+1200
case MMT; tz=+0630
case MSD; tz=+0400
case MSK; tz=+0300
case MST; tz=-0700
case MUT; tz=+0400
case MVT; tz=+0500
case MYT; tz=+0800
case N; tz=-0100
case NCT; tz=+1100
case NDT; tz=-0230
case NFT; tz=+1130
case NOVST; tz=+0700
case NOVT; tz=+0600
case NPT; tz=+0545
case NST; tz=-0330
case NUT; tz=-1100
case NZDT; tz=+1300
case NZST; tz=+1200
case O; tz=-0200
case OMSST; tz=+0700
case OMST; tz=+0600
case P; tz=-0300
case PDT; tz=-0700
case PET; tz=-0500
case PETST; tz=+1200
case PETT; tz=+1200
case PGT; tz=+1000
case PHOT; tz=+1300
case PHT; tz=+0800
case PKT; tz=+0500
case PMDT; tz=-0200
case PMST; tz=-0300
case PONT; tz=+1100
case PST; tz=-0800
case PT; tz=-0800
case PWT; tz=+0900
case PYST; tz=-0300
case PYT; tz=-0400
case Q; tz=-0400
case R; tz=-0500
case RET; tz=+0400
case S; tz=-0600
case SAMT; tz=+0400
case SAST; tz=+0200
case SBT; tz=+1100
case SCT; tz=+0400
case SGT; tz=+0800
case SRT; tz=-0300
case SST; tz=-1100
case T; tz=-0700
case TAHT; tz=-1000
case TFT; tz=+0500
case TJT; tz=+0500
case TKT; tz=-1000
case TLT; tz=+0900
case TMT; tz=+0500
case TVT; tz=+1200
case U; tz=-0800
case ULAT; tz=+0800
case UYST; tz=-0200
case UYT; tz=-0300
case UZT; tz=+0500
case V; tz=-0900
case VET; tz=-0430
case VLAST; tz=+1100
case VLAT; tz=+1000
case VUT; tz=+1100
case W; tz=-1000
case WAST; tz=+0200
case WAT; tz=+0100
case WDT; tz=+0900
case WEST; tz=+0100
case WET; tz=+0000
case WFT; tz=+1200
case WGST; tz=-0200
case WGT; tz=-0300
case WIB; tz=+0700
case WIT; tz=+0900
case WITA; tz=+0800
case WST; tz=+0800
case WT; tz=+0000
case X; tz=-1100
case Y; tz=-1200
case YAKST; tz=+1000
case YAKT; tz=+0900
case YAPT; tz=+1000
case YEKST; tz=+0600
case YEKT; tz=+0500
case Z; tz=+0000
}
switch($1){
case -a # rfc3339
tz=`{echo $tz | sed 's/00$/:00/'}
echo $date(6)^-$mo-$da^T^$date(4)^$tz
case -i # iso-8601 lite
echo $date(6)^-$mo-$da
case -m # rfc2822
echo $date(1)^, $da $date(2) $date(6) $date(4) $tz
case -t # iso-8601
echo $date(6)^-$mo-$da^T^$date(4)^$tz
}
}
##########################################################################
##########################################################################
#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 {
#
#}
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