| 1 | ;;;; simple-directory-handler.scm |
|---|
| 2 | ; |
|---|
| 3 | ; Copyright (c) 2007-2008, Peter Bex |
|---|
| 4 | ; Copyright (c) 2000-2005, Felix L. Winkelmann |
|---|
| 5 | ; All rights reserved. |
|---|
| 6 | ; |
|---|
| 7 | ; Redistribution and use in source and binary forms, with or without |
|---|
| 8 | ; modification, are permitted provided that the following conditions |
|---|
| 9 | ; are met: |
|---|
| 10 | ; |
|---|
| 11 | ; 1. Redistributions of source code must retain the above copyright |
|---|
| 12 | ; notice, this list of conditions and the following disclaimer. |
|---|
| 13 | ; 2. Redistributions in binary form must reproduce the above copyright |
|---|
| 14 | ; notice, this list of conditions and the following disclaimer in the |
|---|
| 15 | ; documentation and/or other materials provided with the distribution. |
|---|
| 16 | ; 3. Neither the name of the author nor the names of its |
|---|
| 17 | ; contributors may be used to endorse or promote products derived |
|---|
| 18 | ; from this software without specific prior written permission. |
|---|
| 19 | ; |
|---|
| 20 | ; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
|---|
| 21 | ; "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
|---|
| 22 | ; LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
|---|
| 23 | ; FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
|---|
| 24 | ; COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, |
|---|
| 25 | ; INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
|---|
| 26 | ; (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
|---|
| 27 | ; SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
|---|
| 28 | ; HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
|---|
| 29 | ; STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
|---|
| 30 | ; ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
|---|
| 31 | ; OF THE POSSIBILITY OF SUCH DAMAGE. |
|---|
| 32 | |
|---|
| 33 | (module simple-directory-handler |
|---|
| 34 | (simple-directory-handler simple-directory-dotfiles? |
|---|
| 35 | simple-directory-display-file) |
|---|
| 36 | |
|---|
| 37 | (import chicken scheme srfi-1 extras spiffy files posix data-structures ports) |
|---|
| 38 | (require-extension intarweb) |
|---|
| 39 | |
|---|
| 40 | (define simple-directory-dotfiles? (make-parameter #f)) |
|---|
| 41 | (define simple-directory-display-file |
|---|
| 42 | (make-parameter |
|---|
| 43 | (lambda (remote-file local-file dir?) |
|---|
| 44 | (sprintf "<tr> |
|---|
| 45 | <td><a href=\"~a\">~a</a></td> |
|---|
| 46 | <td>~a</td> |
|---|
| 47 | <td>~a</td> |
|---|
| 48 | </tr>\n" |
|---|
| 49 | remote-file |
|---|
| 50 | (htmlize (pathname-strip-directory remote-file)) |
|---|
| 51 | (file-size local-file) |
|---|
| 52 | (seconds->string (file-modification-time local-file)))))) |
|---|
| 53 | |
|---|
| 54 | (define (simple-directory-handler path) |
|---|
| 55 | (let ([str |
|---|
| 56 | (sprintf |
|---|
| 57 | "<!DOCTYPE html PUBLIC |
|---|
| 58 | \"-//W3C//DTD XHTML 1.0 Strict//EN\" |
|---|
| 59 | \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd\"> |
|---|
| 60 | <html lang=\"en\"> |
|---|
| 61 | <head> |
|---|
| 62 | <title>Index of ~a</title> |
|---|
| 63 | </head> |
|---|
| 64 | <body> |
|---|
| 65 | <h2>Index of ~a:</h2> |
|---|
| 66 | <p><a href=\"~a\">Go to parent directory</a></p> |
|---|
| 67 | <table>~a</table> |
|---|
| 68 | </body> |
|---|
| 69 | </html>" |
|---|
| 70 | path |
|---|
| 71 | path |
|---|
| 72 | (or (pathname-directory path) path) |
|---|
| 73 | (let ([dir (sort (directory (make-pathname (root-path) path) |
|---|
| 74 | (simple-directory-dotfiles?)) |
|---|
| 75 | string<?)]) |
|---|
| 76 | (fold |
|---|
| 77 | (lambda (file str) |
|---|
| 78 | (let* ((local-file (make-pathname (list (root-path) path) |
|---|
| 79 | file)) |
|---|
| 80 | (remote-file (make-pathname path file)) |
|---|
| 81 | (dir? (directory? local-file))) |
|---|
| 82 | (if (file-exists? local-file) |
|---|
| 83 | (string-append str ((simple-directory-display-file) |
|---|
| 84 | remote-file local-file dir?)) |
|---|
| 85 | str))) |
|---|
| 86 | "" |
|---|
| 87 | dir)))]) |
|---|
| 88 | (with-headers `((content-type text/html) |
|---|
| 89 | (content-length ,(string-length str))) |
|---|
| 90 | (lambda () |
|---|
| 91 | (write-response (current-response)) |
|---|
| 92 | (display str (response-port (current-response))))))) |
|---|
| 93 | ) |
|---|
