From f9792cdcfab9b2728b3db8152e62e119b135b7ac Mon Sep 17 00:00:00 2001
From: Yuchen Pei <hi@ypei.me>
Date: Wed, 22 Mar 2023 00:42:34 +1100
Subject: first commit

---
 buildbot-utils.el | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)
 create mode 100644 buildbot-utils.el

(limited to 'buildbot-utils.el')

diff --git a/buildbot-utils.el b/buildbot-utils.el
new file mode 100644
index 0000000..ebac706
--- /dev/null
+++ b/buildbot-utils.el
@@ -0,0 +1,50 @@
+(defun buildbot-parse-http-header (text)
+  (let ((status) (fields))
+    (with-temp-buffer
+      (insert text)
+      (goto-char (point-min))
+      (re-search-forward "^HTTP.*\\([0-9]\\{3\\}\\).*$")
+      (setq status (match-string 1))
+      (while (re-search-forward "^\\(.*?\\): \\(.*\\)$" nil t)
+        (push (cons (intern (match-string 1)) (match-string 2)) fields)))
+    (list (cons 'status status) (cons 'fields fields))))
+
+(defun buildbot-delete-http-header ()
+  (save-excursion
+    (goto-char (point-min))
+    (kill-region (point) (progn (re-search-forward "\r?\n\r?\n")
+                                (point)))))
+
+(defun buildbot-url-fetch-json (url &optional decompression with-header)
+  (with-current-buffer (get-buffer-create buildbot-client-buffer-name)
+    (goto-char (point-max))
+    (insert "[" (current-time-string) "] Request: " url "\n"))
+  (with-current-buffer (url-retrieve-synchronously url t)
+    (let ((header) (status) (fields))
+      (buildbot-delete-http-header)
+      (goto-char (point-min))
+      (setq header (buildbot-parse-http-header (car kill-ring))
+            status (alist-get 'status header)
+            fields (alist-get 'fields header))
+      (with-current-buffer buildbot-client-buffer-name
+        (insert "[" (current-time-string) "] Response: " status "\n"))
+      (when decompression
+        (call-process-region (point) (point-max) "gunzip" t t t)
+        (goto-char (point-min)))
+      (call-interactively 'delete-trailing-whitespace)
+      (if (string= status "200")
+          (unless (= (point) (point-max))
+            (if with-header
+                (list
+                 (cons 'header fields)
+                 (cons 'json (json-read)))
+              (json-read)))
+        (error "HTTP error: %s" (buffer-substring (point) (point-max)))))))
+
+(defun buildbot-format-attr (attr)
+  (string-join (mapcar (lambda (pair)
+                           (format "%s=%s" (car pair) (cdr pair)))
+                       attr)
+               "&"))
+
+(provide 'buildbot-utils)
-- 
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