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;; TODO
;; Concept of order num incremented with each page access
;; if a branch is taken then a new session would need to be created
;;
;; make-vector-record session session dbtype dbinit conn params path-params session-key session-id domain toppage page curr-page content-type page-type sroot twikidir pagedat alt-page-dat pagevars pagevars-before sessionvars sessionvars-before globalvars globalvars-before logpt formdat request-method session-cookie curr-err log-port logfile seen-pages page-dir-style debugmode
(define (make-session:sdat)(make-vector 33))
(define-inline (session:sdat-get-dbtype vec) (vector-ref vec 0))
(define-inline (session:sdat-get-dbinit vec) (vector-ref vec 1))
(define-inline (session:sdat-get-conn vec) (vector-ref vec 2))
(define-inline (session:sdat-get-params vec) (vector-ref vec 3))
(define-inline (session:sdat-get-path-params vec) (vector-ref vec 4))
(define-inline (session:sdat-get-session-key vec) (vector-ref vec 5))
(define-inline (session:sdat-get-session-id vec) (vector-ref vec 6))
(define-inline (session:sdat-get-domain vec) (vector-ref vec 7))
(define-inline (session:sdat-get-toppage vec) (vector-ref vec 8))
(define-inline (session:sdat-get-page vec) (vector-ref vec 9))
(define-inline (session:sdat-get-curr-page vec) (vector-ref vec 10))
(define-inline (session:sdat-get-content-type vec) (vector-ref vec 11))
(define-inline (session:sdat-get-page-type vec) (vector-ref vec 12))
(define-inline (session:sdat-get-sroot vec) (vector-ref vec 13))
(define-inline (session:sdat-get-twikidir vec) (vector-ref vec 14))
(define-inline (session:sdat-get-pagedat vec) (vector-ref vec 15))
(define-inline (session:sdat-get-alt-page-dat vec) (vector-ref vec 16))
(define-inline (session:sdat-get-pagevars vec) (vector-ref vec 17))
(define-inline (session:sdat-get-pagevars-before vec) (vector-ref vec 18))
(define-inline (session:sdat-get-sessionvars vec) (vector-ref vec 19))
(define-inline (session:sdat-get-sessionvars-before vec) (vector-ref vec 20))
(define-inline (session:sdat-get-globalvars vec) (vector-ref vec 21))
(define-inline (session:sdat-get-globalvars-before vec) (vector-ref vec 22))
(define-inline (session:sdat-get-logpt vec) (vector-ref vec 23))
(define-inline (session:sdat-get-formdat vec) (vector-ref vec 24))
(define-inline (session:sdat-get-request-method vec) (vector-ref vec 25))
(define-inline (session:sdat-get-session-cookie vec) (vector-ref vec 26))
(define-inline (session:sdat-get-curr-err vec) (vector-ref vec 27))
(define-inline (session:sdat-get-log-port vec) (vector-ref vec 28))
(define-inline (session:sdat-get-logfile vec) (vector-ref vec 29))
(define-inline (session:sdat-get-seen-pages vec) (vector-ref vec 30))
(define-inline (session:sdat-get-page-dir-style vec) (vector-ref vec 31))
(define-inline (session:sdat-get-debugmode vec) (vector-ref vec 32))
(define-inline (session:sdat-set-dbtype! vec val)(vector-set! vec 0 val))
(define-inline (session:sdat-set-dbinit! vec val)(vector-set! vec 1 val))
(define-inline (session:sdat-set-conn! vec val)(vector-set! vec 2 val))
(define-inline (session:sdat-set-params! vec val)(vector-set! vec 3 val))
(define-inline (session:sdat-set-path-params! vec val)(vector-set! vec 4 val))
(define-inline (session:sdat-set-session-key! vec val)(vector-set! vec 5 val))
(define-inline (session:sdat-set-session-id! vec val)(vector-set! vec 6 val))
(define-inline (session:sdat-set-domain! vec val)(vector-set! vec 7 val))
(define-inline (session:sdat-set-toppage! vec val)(vector-set! vec 8 val))
(define-inline (session:sdat-set-page! vec val)(vector-set! vec 9 val))
(define-inline (session:sdat-set-curr-page! vec val)(vector-set! vec 10 val))
(define-inline (session:sdat-set-content-type! vec val)(vector-set! vec 11 val))
(define-inline (session:sdat-set-page-type! vec val)(vector-set! vec 12 val))
(define-inline (session:sdat-set-sroot! vec val)(vector-set! vec 13 val))
(define-inline (session:sdat-set-twikidir! vec val)(vector-set! vec 14 val))
(define-inline (session:sdat-set-pagedat! vec val)(vector-set! vec 15 val))
(define-inline (session:sdat-set-alt-page-dat! vec val)(vector-set! vec 16 val))
(define-inline (session:sdat-set-pagevars! vec val)(vector-set! vec 17 val))
(define-inline (session:sdat-set-pagevars-before! vec val)(vector-set! vec 18 val))
(define-inline (session:sdat-set-sessionvars! vec val)(vector-set! vec 19 val))
(define-inline (session:sdat-set-sessionvars-before! vec val)(vector-set! vec 20 val))
(define-inline (session:sdat-set-globalvars! vec val)(vector-set! vec 21 val))
(define-inline (session:sdat-set-globalvars-before! vec val)(vector-set! vec 22 val))
(define-inline (session:sdat-set-logpt! vec val)(vector-set! vec 23 val))
(define-inline (session:sdat-set-formdat! vec val)(vector-set! vec 24 val))
(define-inline (session:sdat-set-request-method! vec val)(vector-set! vec 25 val))
(define-inline (session:sdat-set-session-cookie! vec val)(vector-set! vec 26 val))
(define-inline (session:sdat-set-curr-err! vec val)(vector-set! vec 27 val))
(define-inline (session:sdat-set-log-port! vec val)(vector-set! vec 28 val))
(define-inline (session:sdat-set-logfile! vec val)(vector-set! vec 29 val))
(define-inline (session:sdat-set-seen-pages! vec val)(vector-set! vec 30 val))
(define-inline (session:sdat-set-page-dir-style! vec val)(vector-set! vec 31 val))
(define-inline (session:sdat-set-debugmode! vec val)(vector-set! vec 32 val))
(define (make-sdat)(make-vector 33))
(define-inline (sdat-get-dbtype vec) (vector-ref vec 0))
(define-inline (sdat-get-dbinit vec) (vector-ref vec 1))
(define-inline (sdat-get-conn vec) (vector-ref vec 2))
(define-inline (sdat-get-params vec) (vector-ref vec 3))
(define-inline (sdat-get-path-params vec) (vector-ref vec 4))
(define-inline (sdat-get-session-key vec) (vector-ref vec 5))
(define-inline (sdat-get-session-id vec) (vector-ref vec 6))
(define-inline (sdat-get-domain vec) (vector-ref vec 7))
(define-inline (sdat-get-toppage vec) (vector-ref vec 8))
(define-inline (sdat-get-page vec) (vector-ref vec 9))
(define-inline (sdat-get-curr-page vec) (vector-ref vec 10))
(define-inline (sdat-get-content-type vec) (vector-ref vec 11))
(define-inline (sdat-get-page-type vec) (vector-ref vec 12))
(define-inline (sdat-get-sroot vec) (vector-ref vec 13))
(define-inline (sdat-get-twikidir vec) (vector-ref vec 14))
(define-inline (sdat-get-pagedat vec) (vector-ref vec 15))
(define-inline (sdat-get-alt-page-dat vec) (vector-ref vec 16))
(define-inline (sdat-get-pagevars vec) (vector-ref vec 17))
(define-inline (sdat-get-pagevars-before vec) (vector-ref vec 18))
(define-inline (sdat-get-sessionvars vec) (vector-ref vec 19))
(define-inline (sdat-get-sessionvars-before vec) (vector-ref vec 20))
(define-inline (sdat-get-globalvars vec) (vector-ref vec 21))
(define-inline (sdat-get-globalvars-before vec) (vector-ref vec 22))
(define-inline (sdat-get-logpt vec) (vector-ref vec 23))
(define-inline (sdat-get-formdat vec) (vector-ref vec 24))
(define-inline (sdat-get-request-method vec) (vector-ref vec 25))
(define-inline (sdat-get-session-cookie vec) (vector-ref vec 26))
(define-inline (sdat-get-curr-err vec) (vector-ref vec 27))
(define-inline (sdat-get-log-port vec) (vector-ref vec 28))
(define-inline (sdat-get-logfile vec) (vector-ref vec 29))
(define-inline (sdat-get-seen-pages vec) (vector-ref vec 30))
(define-inline (sdat-get-page-dir-style vec) (vector-ref vec 31))
(define-inline (sdat-get-debugmode vec) (vector-ref vec 32))
(define-inline (sdat-set-dbtype! vec val)(vector-set! vec 0 val))
(define-inline (sdat-set-dbinit! vec val)(vector-set! vec 1 val))
(define-inline (sdat-set-conn! vec val)(vector-set! vec 2 val))
(define-inline (sdat-set-params! vec val)(vector-set! vec 3 val))
(define-inline (sdat-set-path-params! vec val)(vector-set! vec 4 val))
(define-inline (sdat-set-session-key! vec val)(vector-set! vec 5 val))
(define-inline (sdat-set-session-id! vec val)(vector-set! vec 6 val))
(define-inline (sdat-set-domain! vec val)(vector-set! vec 7 val))
(define-inline (sdat-set-toppage! vec val)(vector-set! vec 8 val))
(define-inline (sdat-set-page! vec val)(vector-set! vec 9 val))
(define-inline (sdat-set-curr-page! vec val)(vector-set! vec 10 val))
(define-inline (sdat-set-content-type! vec val)(vector-set! vec 11 val))
(define-inline (sdat-set-page-type! vec val)(vector-set! vec 12 val))
(define-inline (sdat-set-sroot! vec val)(vector-set! vec 13 val))
(define-inline (sdat-set-twikidir! vec val)(vector-set! vec 14 val))
(define-inline (sdat-set-pagedat! vec val)(vector-set! vec 15 val))
(define-inline (sdat-set-alt-page-dat! vec val)(vector-set! vec 16 val))
(define-inline (sdat-set-pagevars! vec val)(vector-set! vec 17 val))
(define-inline (sdat-set-pagevars-before! vec val)(vector-set! vec 18 val))
(define-inline (sdat-set-sessionvars! vec val)(vector-set! vec 19 val))
(define-inline (sdat-set-sessionvars-before! vec val)(vector-set! vec 20 val))
(define-inline (sdat-set-globalvars! vec val)(vector-set! vec 21 val))
(define-inline (sdat-set-globalvars-before! vec val)(vector-set! vec 22 val))
(define-inline (sdat-set-logpt! vec val)(vector-set! vec 23 val))
(define-inline (sdat-set-formdat! vec val)(vector-set! vec 24 val))
(define-inline (sdat-set-request-method! vec val)(vector-set! vec 25 val))
(define-inline (sdat-set-session-cookie! vec val)(vector-set! vec 26 val))
(define-inline (sdat-set-curr-err! vec val)(vector-set! vec 27 val))
(define-inline (sdat-set-log-port! vec val)(vector-set! vec 28 val))
(define-inline (sdat-set-logfile! vec val)(vector-set! vec 29 val))
(define-inline (sdat-set-seen-pages! vec val)(vector-set! vec 30 val))
(define-inline (sdat-set-page-dir-style! vec val)(vector-set! vec 31 val))
(define-inline (sdat-set-debugmode! vec val)(vector-set! vec 32 val))
;; (define-class <session> ()
;; (dbtype ;; 'pg or 'sqlite3
;; dbinit
;; conn
;; params ;; params from the key=val&key1=val2 string
;; path-params ;; remaining params from the path
|
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;; logfile
;; seen-pages
;; page-dir-style ;; #t = new style, #f = old style
;; debugmode))
;; SPLIT INTO STRAIGHT FORWARD INIT AND COMPLEX INIT
(define (initialize self)
(session:sdat-set-dbtype! self 'pg)
(session:sdat-set-page! self "home") ;; these are defaults
(session:sdat-set-curr-page! self "home")
(session:sdat-set-content-type! self "Content-type: text/html; charset=iso-8859-1\n\n")
(session:sdat-set-page-type! self 'html)
(session:sdat-set-toppage! self "index")
(session:sdat-set-params! self '()) ;;
(session:sdat-set-path-params! self '())
(session:sdat-set-session-key! self #f)
(session:sdat-set-pagedat! self '())
(session:sdat-set-alt-page-dat! self #f)
(session:sdat-set-sroot! self "./")
(session:sdat-set-session-cookie! self #f)
(session:sdat-set-curr-err! self #f)
(session:sdat-set-log-port! self (current-error-port))
(session:sdat-set-seen-pages! self '())
(session:sdat-set-page-dir-style! self #t) ;; #t : pages/<pagename>_(view|cntl).scm
(sdat-set-dbtype! self 'pg)
(sdat-set-page! self "home") ;; these are defaults
(sdat-set-curr-page! self "home")
(sdat-set-content-type! self "Content-type: text/html; charset=iso-8859-1\n\n")
(sdat-set-page-type! self 'html)
(sdat-set-toppage! self "index")
(sdat-set-params! self '()) ;;
(sdat-set-path-params! self '())
(sdat-set-session-key! self #f)
(sdat-set-pagedat! self '())
(sdat-set-alt-page-dat! self #f)
(sdat-set-sroot! self "./")
(sdat-set-session-cookie! self #f)
(sdat-set-curr-err! self #f)
(sdat-set-log-port! self (current-error-port))
(sdat-set-seen-pages! self '())
(sdat-set-page-dir-style! self #t) ;; #t : pages/<pagename>_(view|cntl).scm
;; #f : pages/<pagename>/(view|control).scm
(session:sdat-set-debugmode! self #f)
(for-each (lambda (slot-name)
(session:sdat-set-lot-name! self (make-hash-table)))
(list 'pagevars 'sessionvars 'globalvars 'pagevars-before
'sessionvars-before 'globalvars-before))
(session:sdat-set-domain! self "locahost") ;; end of defaults
(initialize-slots self (session:read-config self))
(sdat-set-debugmode! self #f)
(sdat-set-pagevars! self (make-hash-table))
(sdat-set-sessionvars! self (make-hash-table))
(sdat-set-globalvars! self (make-hash-table))
(sdat-set-pagevars-before! self (make-hash-table))
(sdat-set-sessionvars-before! self (make-hash-table))
(sdat-set-globalvars-before! self (make-hash-table))
(sdat-set-domain! self "locahost") ;; end of defaults
(let* ((rawconfigdat (session:read-config self))
(configdat (if rawconfigdat (eval rawconfigdat) '()))
;; FIXME - NOT AUTOMATICALLY TRANSLATED
;; some values read in from the config file need to be evaled
(session:sdat-set-dbtype! self (eval (session:sdat-get-dbtype self))))
(let ((dbtype (session:sdat-get-dbtype self))
(dbinit (eval (session:sdat-get-dbinit self)))
(let ((dbtype (sdat-get-dbtype self))
(dbinit (eval (sdat-get-dbinit self)))
(dbexists #f))
(let ((dbfname (alist-ref 'dbname dbinit)))
(if (eq? dbtype 'sqlite3)
(if (file-exists? dbfname)
(begin
;; (session:log self "setting dbexists to #t")
(set! dbexists #t))))
;; (session:log self "dbtype: " dbtype " dbfname: " dbfname " dbexists: " dbexists))
)
(session:sdat-set-conn! self (dbi:open dbtype dbinit))
(sdat-set-conn! self (dbi:open dbtype dbinit))
(if (and (not dbexists)(eq? dbtype 'sqlite3))
(begin
(print "WARNING: Setting up session db with sqlite3")
(session:setup-db self)))
(session:process-url-path self)
(session:setup-session-key self)
;; capture stdin if this is a POST
(session:sdat-set-request-method! self (getenv "REQUEST_METHOD"))
(session:sdat-set-formdat! self (formdat:load-all))))
(sdat-set-request-method! self (getenv "REQUEST_METHOD"))
(sdat-set-formdat! self (formdat:load-all))))
;; setup the db with session tables, works for sqlite only right now
(define (session:setup-db self)
(let ((conn (session:sdat-get-conn self)))
(let ((conn (sdat-get-conn self)))
(for-each
(lambda (stmt)
(dbi:exec conn stmt))
(list "CREATE TABLE session_vars (id INTEGER PRIMARY KEY,session_id INTEGER,page TEXT,key TEXT,value TEXT);"
"CREATE TABLE sessions (id INTEGER PRIMARY KEY,session_key TEXT,last_used TIMESTAMP);"
"CREATE TABLE metadata (id INTEGER PRIMARY KEY,key TEXT,value TEXT);"))))
;; ;; if we have a session_key look up the session-id and store it
;; (session:sdat-set-session-id! self (session:get-id self)))
;; (sdat-set-session-id! self (session:get-id self)))
;; only set session-cookie when a new session is created
(define (session:setup-session-key self)
(let* ((sk (session:extract-session-key self))
(sid (if sk (session:get-id self sk) #f)))
(if (not sid) ;; need a new key
(let* ((new-key (session:get-new-key self))
(new-sid (session:get-id self new-key)))
(session:sdat-set-session-key! self new-key)
(session:sdat-set-session-id! self new-sid)
(session:sdat-set-session-cookie! self (session:make-cookie self)))
(session:sdat-set-session-id! self sid))))
(sdat-set-session-key! self new-key)
(sdat-set-session-id! self new-sid)
(sdat-set-session-cookie! self (session:make-cookie self)))
(sdat-set-session-id! self sid))))
(define (session:make-cookie self)
;; (list (conc "session_key=" (session:sdat-get-session-key self) "; Path=/; Domain=." (session:sdat-get-domain self) "; Max-Age=" (* 86400 14) "; Version=1")))
;; (list (conc "session_key=" (sdat-get-session-key self) "; Path=/; Domain=." (sdat-get-domain self) "; Max-Age=" (* 86400 14) "; Version=1")))
(list (string-substitute
";" "; "
(car (construct-cookie-string
;; warning! messing up this itty bitty bit of code will cost much time!
`(("session_key" ,(session:sdat-get-session-key self)
`(("session_key" ,(sdat-get-session-key self)
expires: ,(+ (current-seconds) (* 14 86400))
max-age: (* 14 86400)
path: "/" ;;
domain: ,(string-append "." (session:sdat-get-domain self))
domain: ,(string-append "." (sdat-get-domain self))
version: 1)) 0)))))
;; look up a given session key and return the id if found, #f if not found
(define (session:get-id self session-key)
;; (let ((session-key (session:sdat-get-session-key self)))
;; (let ((session-key (sdat-get-session-key self)))
(if session-key
(let ((query (string-append "SELECT id FROM sessions WHERE session_key='" session-key "'"))
(conn (session:sdat-get-conn self))
(conn (sdat-get-conn self))
(result #f))
(dbi:for-each-row
(lambda (tuple)
(set! result (vector-ref tuple 0)))
conn query)
(if result (dbi:exec conn (conc "UPDATE sessions SET last_used=" (dbi:now conn) " WHERE session_key=?;") session-key))
result)
#f))
;;
(define (session:process-url-path self)
(let ((path-info (getenv "PATH_INFO"))
(query-string (getenv "QUERY_STRING")))
;; (session:log self "path-info=" path-info " query-string=" query-string)
(if path-info
(let* ((parts (string-split path-info "/"))
(numparts (length parts)))
(if (> numparts 0)
(session:sdat-set-page! self (car parts)))
(sdat-set-page! self (car parts)))
;; (session:log self "url-path=" url-path " parts=" parts)
(if (> numparts 1)
(session:sdat-set-path-params! self (cdr parts)))
(sdat-set-path-params! self (cdr parts)))
(if query-string
(session:sdat-set-params! self (string-split query-string "&")))))))
(sdat-set-params! self (string-split query-string "&")))))))
;; BUGGY!
(define (session:get-new-key self)
(let ((conn (session:sdat-get-conn self))
(let ((conn (sdat-get-conn self))
(tmpkey (session:make-rand-string 20))
(status #f))
(dbi:for-each-row (lambda (tuple)
(set! status #t))
conn (string-append "INSERT INTO sessions (session_key) VALUES ('" tmpkey "')"))
tmpkey))
;; returns session key IFF it is in the HTTP_COOKIE
(define (session:extract-session-key self)
(let ((http-session (getenv "HTTP_COOKIE")))
(if http-session
(session:extract-key-from-param self (list http-session) "session_key")
#f)))
(define (session:get-session-id self session-key)
(let ((query "SELECT id FROM sessions WHERE session_key=?;")
(result #f))
;; (pg:query-for-each (lambda (tuple)
;; (set! result (vector-ref tuple 0))) ;; (vector-ref tuple 0)))
;; (s:sqlparam query session-key)
;; (session:sdat-get-conn self))
;; (sdat-get-conn self))
;; conn)
(dbi:for-each-row (lambda (tuple)
(set! result (vector-ref tuple 0))) ;; (vector-ref tuple 0)))
(session:sdat-get-conn self)
(sdat-get-conn self)
(s:sqlparam query session-key))
result))
;; delete all records for a session
;;
(define (session:delete-session self session-key)
(let ((session-id (session:get-session-id self session-key))
(qry (conc "BEGIN;"
"DELETE FROM session_vars WHERE session_id=?;"
"DELETE FROM sessions WHERE id=?;"
"COMMIT;"))
(conn (session:sdat-get-conn self)))
(conn (sdat-get-conn self)))
(if session-id
(begin
(dbi:exec conn qry session-id session-id)
(initialize self '())
(session:setup self)))
(not (session:get-session-id self session-key))))
;; (define (session:delete-session self session-key)
;; (let ((session-id (session:get-session-id self session-key))
;; (queries (list "BEGIN;"
;; "DELETE FROM session_vars WHERE session_id=?;"
;; "DELETE FROM sessions WHERE id=?;"
;; "COMMIT;"))
;; (conn (session:sdat-get-conn self)))
;; (conn (sdat-get-conn self)))
;; (if session-id
;; (begin
;; (for-each
;; (lambda (query)
;; (dbi:exec conn query session-id))
;; queries)
;; (initialize self '())
;; (session:setup self)))
;; (not (session:get-session-id self session-key))))
(define (session:extract-key self key)
(let ((params (session:sdat-get-params self)))
(let ((params (sdat-get-params self)))
(session:extract-key-from-param self params key)))
(define (session:extract-key-from-param self params key)
(let ((r1 (regexp (string-append "^" key "=([^=]+)$"))))
(if (< (length params) 1) #f
(let loop ((head (car params))
(tail (cdr params)))
(let ((match (string-match r1 head)))
(cond
(match
(let ((session-key (list-ref match 1)))
(session:sdat-set-session-key! self (list-ref match 1))
(sdat-set-session-key! self (list-ref match 1))
session-key))
((null? tail)
#f)
(else
(loop (car tail)
(cdr tail)))))))))
(define (session:set-page! self page_name)
(session:sdat-set-page! self page_name))
(sdat-set-page! self page_name))
(define (session:close self)
(dbi:close (session:sdat-get-conn self)))
;; (close-output-port (session:sdat-get-logpt self))
(dbi:close (sdat-get-conn self)))
;; (close-output-port (sdat-get-logpt self))
(define (session:err-msg self msg)
(hash-table-set! (session:sdat-get-sessionvars self) "ERROR_MSG"
(hash-table-set! (sdat-get-sessionvars self) "ERROR_MSG"
(string-intersperse (map s:any->string msg) " ")))
(define (session:prev-err self)
(let ((prev-err (hash-table-ref/default (session:sdat-get-sessionvars-before self) "ERROR_MSG" #f))
(curr-err (hash-table-ref/default (session:sdat-get-sessionvars self) "ERROR_MSG" #f)))
(let ((prev-err (hash-table-ref/default (sdat-get-sessionvars-before self) "ERROR_MSG" #f))
(curr-err (hash-table-ref/default (sdat-get-sessionvars self) "ERROR_MSG" #f)))
(if prev-err prev-err
(if curr-err curr-err #f))))
;; session vars
;; 1. keys are always a string NOT a symbol
;; 2. values are always a string conversion is the responsibility of the
;; consuming function (at least for now, I'd like to change this)
;; set a session var for the current page
;;
(define (session:set! self key value)
(hash-table-set! (session:sdat-get-pagevars self) (s:any->string key) (s:any->string value)))
(hash-table-set! (sdat-get-pagevars self) (s:any->string key) (s:any->string value)))
;; del a var for the current page
;;
(define (session:del! self key)
(hash-table-delete! (session:sdat-get-pagevars self) (s:any->string key)))
(hash-table-delete! (sdat-get-pagevars self) (s:any->string key)))
;; get the appropriate hash given a page "*sessionvars*, *globalvars* or page
;;
(define (session:get-page-hash self page)
(if (string=? page "*sessionvars*")
(session:sdat-get-sessionvars self)
(sdat-get-sessionvars self)
(if (string=? page "*globalvars*")
(session:sdat-get-globalvars self)
(session:sdat-get-pagevars self))))
(sdat-get-globalvars self)
(sdat-get-pagevars self))))
;; set a session var for a given page
;;
(define (session:set! self page key value)
(let ((ht (session:get-page-hash self page)))
(hash-table-set! ht (s:any->string key) (s:any->string value))))
;; get session vars for the current page
;;
(define (session:get self key)
(hash-table-ref/default (session:sdat-get-pagevars self) key #f))
(hash-table-ref/default (sdat-get-pagevars self) key #f))
;; get session vars for a specified page
;;
(define (session:get self page key)
(let ((ht (session:get-page-hash self page)))
(hash-table-ref/default ht key #f)))
;; delete a session var for a specified page
;;
(define (session:del! self page key)
(let ((ht (session:get-page-hash self page)))
(hash-table-delete! ht key)))
;; get ALL keys for this page and store in the session pagevars hash
;;
(define (session:get-vars self)
(let ((session-id (session:sdat-get-session-id self)))
(let ((session-id (sdat-get-session-id self)))
(if (not session-id)
(err:log "ERROR: No session id in session object! session:get-vars")
(let* ((result #f)
(conn (session:sdat-get-conn self))
(pagevars-before (session:sdat-get-pagevars-before self))
(sessionvars-before (session:sdat-get-sessionvars-before self))
(globalvars-before (session:sdat-get-globalvars-before self))
(pagevars (session:sdat-get-pagevars self))
(sessionvars (session:sdat-get-sessionvars self))
(globalvars (session:sdat-get-globalvars self))
(page-name (session:sdat-get-page self))
(session-key (session:sdat-get-session-key self))
(conn (sdat-get-conn self))
(pagevars-before (sdat-get-pagevars-before self))
(sessionvars-before (sdat-get-sessionvars-before self))
(globalvars-before (sdat-get-globalvars-before self))
(pagevars (sdat-get-pagevars self))
(sessionvars (sdat-get-sessionvars self))
(globalvars (sdat-get-globalvars self))
(page-name (sdat-get-page self))
(session-key (sdat-get-session-key self))
(query (string-append
"SELECT key,value FROM session_vars INNER JOIN sessions ON session_vars.session_id=sessions.id "
"WHERE session_key=? AND page=?;")))
;; first the page specific vars
(dbi:for-each-row (lambda (tuple)
(let ((k (vector-ref tuple 0))
(v (vector-ref tuple 1)))
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(hash-table-set! globalvars-before k v)
(hash-table-set! globalvars k v)))
conn
(s:sqlparam query session-key "*globalvars"))
))))
(define (session:save-vars self)
(let ((session-id (session:sdat-get-session-id self)))
(let ((session-id (sdat-get-session-id self)))
(if (not session-id)
(err:log "ERROR: No session id in session object! session:get-vars")
(let* ((status #f)
(conn (session:sdat-get-conn self))
(page-name (session:sdat-get-page self))
(conn (sdat-get-conn self))
(page-name (sdat-get-page self))
(del-query "DELETE FROM session_vars WHERE session_id=? AND page=? AND key=?;")
(ins-query "INSERT INTO session_vars (session_id,page,key,value) VALUES(?,?,?,?);")
(upd-query "UPDATE session_vars set value=? WHERE key=? AND session_id=? AND page=?;")
(changed-count 0))
;; save the delta only
(for-each
(lambda (page) ;; page is: "*globalvars*" "*sessionvars*" or otherstring
(let* ((master-slot-name (cond
((string=? page "*sessionvars*") 'sessionvars)
((string=? page "*globalvars*") 'globalvars)
(else 'pagevars)))
(before-slot-name (string->symbol (string-append (symbol->string master-slot-name)
"-before")))
(master-ht (session:sdat-get-aster-slot-name self))
(before-ht (session:sdat-get-efore-slot-name self))
(master-ht (sdat-get-aster-slot-name self))
(before-ht (sdat-get-efore-slot-name self))
(master-keys (hash-table-keys master-ht))
(before-keys (hash-table-keys before-ht))
(all-keys (delete-duplicates (append master-keys before-keys))))
(for-each
(lambda (key)
(let ((master-value (hash-table-ref/default master-ht key #f))
(before-value (hash-table-ref/default before-ht key #f)))
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res
(loop (read-line p)(append res (list hed)))))))
;; May 2011, putting all pages into one directory for the following reasons:
;; 1. want filename to reflect page name (emacs limitation)
;; 2. that's it! no other reason. could make it configurable ...
(define (session:call-parts self page parts)
(session:sdat-set-curr-page! self page)
;; (session:log self "page-dir-style: " (session:sdat-get-page-dir-style self))
(let* ((dir-style ;; (equal? (session:sdat-get-page-dir-style self) "onedir")) ;; flag #t for onedir, #f for old style
(session:sdat-get-page-dir-style self))
(dir (string-append (session:sdat-get-sroot self)
(sdat-set-curr-page! self page)
;; (session:log self "page-dir-style: " (sdat-get-page-dir-style self))
(let* ((dir-style ;; (equal? (sdat-get-page-dir-style self) "onedir")) ;; flag #t for onedir, #f for old style
(sdat-get-page-dir-style self))
(dir (string-append (sdat-get-sroot self)
(if dir-style
(conc "/pages/")
(conc "/pages/" page))))
(control (string-append dir (if dir-style
(conc page "_ctrl.scm")
"/control.scm")))
(view (string-append dir (if dir-style
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(define (session:call self page)
(session:call-parts self page 'both))
(define (session:call self page parts)
(session:call-parts self page 'both))
(define (session:load-model self model)
(let ((model.scm (string-append (session:sdat-get-sroot self) "/models/" model ".scm"))
(model.so (string-append (session:sdat-get-sroot self) "/models/" model ".so")))
(let ((model.scm (string-append (sdat-get-sroot self) "/models/" model ".scm"))
(model.so (string-append (sdat-get-sroot self) "/models/" model ".so")))
(if (file-exists? model.so)
(load model.so)
(if (file-exists? model.scm)
(load model.scm)
(s:log "ERROR: model " model.scm " not found")))))
(define (session:model-path self model)
(string-append (session:sdat-get-sroot self) "/models/" model ".scm"))
(string-append (sdat-get-sroot self) "/models/" model ".scm"))
(define (session:pp-formdat self)
(let ((dat (formdat:all->strings (session:sdat-get-formdat self))))
(let ((dat (formdat:all->strings (sdat-get-formdat self))))
(string-intersperse dat "<br> ")))
(define (session:param->string params)
;; (err:log "params=" params)
(if (< (length params) 1)
""
(let loop ((key (car params))
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(let* ((server (if (getenv "HTTP_HOST")
(getenv "HTTP_HOST")
(getenv "SERVER_NAME")))
(script (let ((script-name (string-split (getenv "SCRIPT_NAME") "/")))
(if (> (length script-name) 1)
(string-append (car script-name) "/" (cadr script-name))
(getenv "SCRIPT_NAME")))) ;; build script name from first two elements. This is a hangover from before I used ? in the URL.
(session-key (session:sdat-get-session-key self))
(session-key (sdat-get-session-key self))
(paramstr (session:param->string params)))
;; (session:log self "server=" server " script=" script " page=" page)
(string-append "http://" server "/" script "/" page "?" paramstr))) ;; "/sn=" session-key)))
(define (session:cgi-out self)
(let* ((content (list (session:sdat-get-content-type self))) ;; '("Content-type: text/html; charset=iso-8859-1\n\n"))
(header (let ((cookie (session:sdat-get-session-cookie self)))
(let* ((content (list (sdat-get-content-type self))) ;; '("Content-type: text/html; charset=iso-8859-1\n\n"))
(header (let ((cookie (sdat-get-session-cookie self)))
(if cookie
(cons (string-append "Set-Cookie: " (car cookie))
content)
content)))
(pagedat (session:sdat-get-pagedat self)))
(pagedat (sdat-get-pagedat self)))
(s:cgi-out
(cons header pagedat))))
(define (session:log self . msg)
(with-output-to-port (session:sdat-get-log-port self) ;; (session:sdat-get-logpt self)
(with-output-to-port (sdat-get-log-port self) ;; (sdat-get-logpt self)
(lambda ()
(apply print msg))))
(define (session:get-param self key)
;; (session:log s:session "params=" (slot-ref s:session 'params))
(let ((params (session:sdat-get-params self)))
(let ((params (sdat-get-params self)))
(session:get-param-from params key)))
;; This one will get the first value found regardless of form
(define (session:get-input self key)
(let* ((formdat (session:sdat-get-formdat self)))
(let* ((formdat (sdat-get-formdat self)))
(if (not formdat) #f
(if (or (string? key)(number? key)(symbol? key))
(if (eq? (class-of formdat) <formdat>)
(formdat:get formdat key)
(begin
(session:log self "ERROR: formdat: " formdat " is not of class <formdat>")
#f))
(session:log self "ERROR: bad key " key)))))
(define (session:run-actions self)
(let* ((action (session:get-param self 'action))
(page (session:sdat-get-page self)))
(page (sdat-get-page self)))
;; (print "action=" action " page=" page)
(if action
(let ((action-lst (string-split action ".")))
;; (print "action-lst=" action-lst)
(if (not (= (length action-lst) 2))
(err:log "Action should be of form: module.action")
(let* ((targ-page (car action-lst))
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((exn file) (s:log "file error"))
((exn i/o) (s:log "i/o error"))
((exn ) (s:log "Action not implemented: " proc-name " action: " targ-action))
(var () (s:log "Unknown Error"))))))))))
(define (session:never-called-page? self page)
(session:log self "Checking for page: " page)
(not (member page (session:sdat-get-seen-pages self))))
(not (member page (sdat-get-seen-pages self))))
(define (session:set-called! self page)
(session:sdat-set-seen-pages! self (cons page (session:sdat-get-seen-pages self))))
(sdat-set-seen-pages! self (cons page (sdat-get-seen-pages self))))
;;======================================================================
;; Alternative data type delivery
;;======================================================================
(define (session:alt-out self)
(let ((dat (session:sdat-get-alt-page-dat self)))
(let ((dat (sdat-get-alt-page-dat self)))
;; (s:log "dat is: " dat)
;; (print "HTTP/1.1 200 OK")
(print "Date: " (time->string (seconds->utc-time (current-seconds))))
(print "Content-Type: " (session:sdat-get-content-type self))
(print "Content-Type: " (sdat-get-content-type self))
(print "Accept-Ranges: bytes")
(print "Content-Length: " (if (blob? dat)
(blob-size dat)
0))
(print "Keep-Alive: timeout=15, max=100")
(print "Connection: Keep-Alive")
(print "")
(write-string (blob->string dat) #f (current-output-port))))
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