Implement login

webcrawler

@@ -19,15 +19,46 @@
                        ;; christo pls do not track thanks
                        (dnt . "1")))
 
-(define (run-webcrawler username password)
-  (printf-debug "the credentials are: ~s ~s\n" username password)
-  (define req
-    (make-http-req 'GET LOGIN-PATH DEFAULT-HDRS))
-  (define sock (http-connect HOST #:headers DEFAULT-HDRS))
+(define (crawler-fetch/noclose req)
+  (define sock (http-connect HOST
+                             #:headers (cons (cookie-jar->header (current-cookie-jar))
+                                             DEFAULT-HDRS)))
   (define rsp (http-request sock req))
   (update-cookie-jar! (current-cookie-jar) (http-msg-headers rsp))
-  (displayln (current-cookie-jar))
-  (http-close sock))
+  (values rsp sock))
+
+(define (crawler-fetch req)
+  (define-values [rsp sock] (crawler-fetch/noclose req))
+  (http-close sock)
+  rsp)
+
+(define (crawler-fetch/xexpr req)
+  (define-values [rsp sock] (crawler-fetch/noclose req))
+  (define xe (string->xexpr
+    (bytes->string/utf-8
+      (for/fold ([res #""])
+                ([chunk (in-http-body-chunks (http-msg-body rsp))])
+        (bytes-append res chunk)))))
+  (http-close sock)
+  xe)
+
+(define (crawler-login username password)
+  (crawler-fetch (make-http-req 'GET LOGIN-PATH))
+  (define form-body
+    (format "username=~a&password=~a&csrfmiddlewaretoken=~a&next="
+            username password (cookie-jar-ref (current-cookie-jar) "csrftoken")))
+  (crawler-fetch (http-set-body (make-http-req 'POST LOGIN-PATH)
+                                (string->bytes/utf-8 form-body)))
+  (void))
+
+(define (run-webcrawler username password)
+  (printf-debug "the credentials are: ~s ~s\n" username password)
+  (printf-debug "logging in...\n")
+  (crawler-login username password)
+  (printf-debug "logged in\n")
+  (define xe (crawler-fetch/xexpr (make-http-req 'GET ROOT-PATH)))
+  (displayln (find-flags xe))
+  (displayln (find-hrefs xe)))
 
 (module+ main
   (command-line