From 89d16bb05a61936658ae2939d57e2c3e5f726a6b Mon Sep 17 00:00:00 2001
From: Frederick Yin <fkfd@macaw.me>
Date: Sat, 13 Jun 2020 22:51:08 +0800
Subject: Initial commit: MVP

---
 git-gmi/cgi.py | 77 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 77 insertions(+)
 create mode 100755 git-gmi/cgi.py

(limited to 'git-gmi/cgi.py')

diff --git a/git-gmi/cgi.py b/git-gmi/cgi.py
new file mode 100755
index 0000000..c243ccd
--- /dev/null
+++ b/git-gmi/cgi.py
@@ -0,0 +1,77 @@
+#!/home/fakefred/p/git.gmi/venv/bin/python3.8
+# gotta change the executable path before running
+from git import *
+from const import *
+from os import environ, listdir
+
+# be careful when using print(); stdout is passed to the client.
+# this cgi uses \n as newline.
+
+
+def generate_navigation(repo_name: str):
+    pass  # TODO
+
+
+def handle_cgi_request(path: str):
+    # intended to work with Jetforce.
+    # url: gemini://git.gemini.site/cgi-bin/cgi.py/repo/src/static/css/[index.css]
+    # path: /repo/src/static/css/[index.css]
+    # path_trace = ['repo', 'src', 'static', 'css', 'index.css']
+    path_trace = path[1:].split("/")
+    if path_trace == [""]:  # empty path
+        print(f"{STATUS_SUCCESS} {META_GEMINI}")  # welcome page
+        print("Welcome to the git.gmi demo")
+        print("Available repositories:")
+        print("\n".join([f"=> {dir}/summary" for dir in listdir(GIT_CATALOG)]))
+        return
+
+    try:
+        repo = GitGmiRepo(path_trace[0], f"{GIT_CATALOG}/{path_trace[0]}")
+    except FileNotFoundError:
+        print(STATUS_NOT_FOUND)
+        return
+
+    if len(path_trace) > 1:
+        view = path_trace[1]  # e.g. summary, tree, log
+    else:
+        pass  # TODO: summary
+
+    if view == "summary":
+        try:
+            print(repo.view_summary())
+            return
+        except:
+            print(STATUS_TEMPORARY_FAILURE)
+            return
+
+    elif view == "tree":
+        if len(path_trace) == 2:
+            print("31 master/")
+            return
+
+        if len(path_trace) > 2:
+            branch = path_trace[2]
+
+        if len(path_trace) == 3:
+            location = []
+        else:
+            location = path_trace[3:]
+
+        try:  # is dir
+            print(repo.view_tree(branch, location))
+        except FileNotFoundError:  # is file
+            try:
+                print(repo.view_blob(branch, location))
+            except FileNotFoundError:
+                print("50 Error locating content")
+
+    elif view == "log":
+        try:
+            print(repo.view_log())
+            return
+        except:
+            print(STATUS_TEMPORARY_FAILURE)
+            return
+
+
+handle_cgi_request(environ.get("PATH_INFO"))
-- 
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