1 files changed, 96 insertions, 0 deletions
diff --git a/cgi-bin/webring_redirect.cgi b/cgi-bin/webring_redirect.cgi
new file mode 100755
index 0000000..2b114cc
--- /dev/null
+++ b/cgi-bin/webring_redirect.cgi
@@ -0,0 +1,96 @@
+#! /usr/bin/env python
+
+import cgi
+import requests
+import random
+import json
+
+WEBSITE_URL = "http://nathansmith117.beevomit.org"
+
+def handle_be_crime_do_gay_webring():
+    try:
+        # https://codeberg.org/artemislena/artemislena.eu#be-crime-do-gay-webring
+        req = requests.get("https://artemislena.eu/services/downloads/beCrimeDoGay.json", timeout=5)
+        req.raise_for_status
+        return req.json()
+    except requests.exceptions.Timeout:
+        return "Status: 503 Service Unavailable"
+    except Exception:
+        return "Status: 500 Internal Error"
+
+def handle_fields():
+    form = cgi.FieldStorage()
+
+    # Name of the webring name and direction.
+    name = form.getvalue("name")
+    direction = form.getvalue("direction")
+
+    if name is None or direction is None:
+        return "Not enough optinos"
+
+    # Callbacks to handle webrings.
+    webrings = {
+        "gay": handle_be_crime_do_gay_webring
+    }
+
+    website_list = webrings[name]()
+
+    if website_list == None or website_list == []:
+        return "Can't get website list for webring"
+    if type(website_list) is str:
+        return website_list
+
+    # Find this website in webring.
+    position = 0
+    
+    try:
+        position = website_list.index(WEBSITE_URL)
+    except ValueError:
+        return "Website not in webring"
+
+    # Handle direction
+    redirect_website = ""
+
+    if direction == "next":
+        redirect_website = website_list[(position + 1) % len(website_list)]
+    elif direction == "previous":
+        redirect_website = website_list[(position - 1) % len(website_list)]
+    elif direction == "random":
+        website_list.pop(position)
+        redirect_website = random.choice(website_list)
+    else:
+        return "Invalid direction"
+
+    return [
+        f"redirecting to <a href=\"{redirect_website}\">{redirect_website}</a>",
+        f"<meta http-equiv=\"refresh\" content=\"0; URL={redirect_website}\"/>"
+    ]
+
+def display_html(fields_reponse):
+    print("Content-Type: text/html")
+
+    html_text = """
+        <!DOCTYPE html>
+        <html>
+        
+        <head>
+            {redirect}
+            <title>Webrings</title>
+        </head>
+
+        <body>
+            {fields_reponse}
+        </body>
+        </html>
+    """
+
+    if type(fields_reponse) is list:
+        html_text = html_text.format(fields_reponse=fields_reponse[0], redirect=fields_reponse[1])
+    else:
+        html_text = html_text.format(fields_reponse=fields_reponse, redirect="")
+        
+    print(html_text)
+
+fields_reponse = handle_fields()
+display_html(fields_reponse)
+