From: Tim Vaughan <plugd@thelambdalab.xyz>
Date: Thu, 28 May 2020 10:28:56 +0000 (+0200)
Subject: Added basic supprt for scripts.
X-Git-Url: https://thelambdalab.xyz/gitweb/index.cgi?a=commitdiff_plain;h=fdce37f4be71360bea1ebd0ed864ebffed84265d;p=rags.git

Added basic supprt for scripts.
---

diff --git a/rags.scm b/rags.scm
index c3ac60a..177c7b5 100644
--- a/rags.scm
+++ b/rags.scm
@@ -26,7 +26,15 @@
 (define file-types
   '(("gmi" "text/gemini" "charset=utf-8")
     ("txt" "text/plain" "charset=utf-8")
-    ("xml" "text/xml" "charset=utf-8")))
+    ("csv" "text/csv" "charset=utf-8")
+    ("html" "text/html" "charset=utf-8")
+    ("xml" "text/xml" "charset=utf-8")
+    ("pdf" "application/pdf")
+    ("zip" "application/zip")
+    ("jpg" "image/jpeg")
+    ("jpeg" "image/jpeg")
+    ("png" "image/png")
+    ("mp3" "audio/mpeg")))
 
 (define (process-request config request-line)
   (let ((uri (uri-normalize-path-segments (absolute-uri request-line))))
@@ -44,6 +52,8 @@
      ((and (document-path-directory? config uri)
            (uri-lacks-trailing-slash? uri))
       (redirect-permanent (uri-with-trailing-slash uri)))
+     ((document-script? config uri)
+      (serve-script config uri))
      (else 
       (serve-document config uri)))))
 
@@ -62,6 +72,12 @@
 (define (document-available? config uri)
   (file-exists? (document-path config uri)))
 
+(define (document-script? config uri)
+  (let ((path (document-path config uri)))
+    (and (file-exists? path)
+         (file-executable? path)
+         (equal? (pathname-extension path) "scm"))))
+
 (define (document-path-directory? config uri)
   (directory-exists? (document-path-raw config uri)))
 
@@ -131,6 +147,12 @@
             (close-output-port out-port))))))
     (else (error "Unknown element type."))))
 
+(define (serve-script config uri)
+  ;; Scripts are responsible for the entire response, including header
+  (let ((path (document-path config uri)))
+    (apply (eval (with-input-from-file path read))
+           (list uri))))
+
 (define (with-current-working-directory directory thunk)
   (let ((old-wd (current-directory))
         (result 'none))