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- import gemcall
- import gemtextparser
- import urllib.parse
- import sys
- from os import getenv
- urllib.parse.uses_relative.append("gemini")
- urllib.parse.uses_netloc.append("gemini")
- def clean(text):
- return text.replace('<','<').replace('>','>')
- print("Content-type: text/html\n\n")
- if getenv('QUERY_STRING'):
- try:
- baseurl = getenv('QUERY_STRING').split('?')[0]
- response = gemcall.request(baseurl)
- if response.responsecode in [30, 31]:
- newtarget = urllib.parse.urljoin(baseurl, response.meta)
- print(f"<h1>RESPONSE: \"{str(response.responsecode)} {response.meta}\"</h1><p>This address redirects to <a href='{newtarget}'>{newtarget}</a>.</p>")
- elif response.responsecode == 20 and "text/" in response.meta:
- responsetext = response.read(20*1024)
- if "text/gemini" in response.meta:
- parser = gemtextparser.GemtextParser()
- preform = False
- listmode = False
- blockquote = False
- for line in parser.parseText(responsetext.decode()):
- if line.linetype == gemtextparser.LineType.PREFORM:
- if not preform:
- print("<pre><code>")
- preform = True
- print(clean(line.text()))
- continue
- if not line.linetype == gemtextparser.LineType.PREFORM and preform:
- print("</code></pre>")
- preform = False
- if line.linetype == gemtextparser.LineType.LISTITEM:
- if not listmode:
- print("<ul>")
- listmode = True
- print(f"<li>{clean(line.text())}</li>")
- continue
- if not line.linetype == gemtextparser.LineType.LISTITEM and listmode:
- print("</ul>")
- listmode = False
- if line.linetype == gemtextparser.LineType.BLOCKQUOTE:
- if not blockquote:
- print("<blockquote>")
- blockquote = True
- print(clean(line.text()))
- continue
- if not line.linetype == gemtextparser.LineType.BLOCKQUOTE and blockquote:
- print("</blockquote>")
- blockquote = False
- if line.linetype == gemtextparser.LineType.H1 and line.text():
- print(f"<h1>{clean(line.text())}</h1>")
- continue
- if line.linetype == gemtextparser.LineType.H2 and line.text():
- print(f"<h2>{clean(line.text())}</h2>")
- continue
- if line.linetype == gemtextparser.LineType.H3 and line.text():
- print(f"<h3>{clean(line.text())}</h3>")
- continue
- if line.linetype == gemtextparser.LineType.LINK:
- linkURL = urllib.parse.urljoin(baseurl, clean(line.linkURL().replace("'","")))
- target = "" if linkURL.startswith("gemini://") else " target='_blank'"
- if line.text():
- print(f"<a href='{linkURL}'{target}>{clean(line.text())}</a><br/>")
- else:
- print(f"<a href='{linkURL}'{target}>{linkURL}</a><br/>")
- continue
- if line.linetype == gemtextparser.LineType.PLAIN:
- print(f"{clean(line.text())}<br/>")
- if listmode:
- print("</ul>")
- if blockquote:
- print("</blockquote>")
- if preform:
- print("</code></pre>")
-
- else:
- print("<pre><code>")
- print(clean(responsetext.decode()))
- print("</code></pre>")
- elif response.responsecode == 20:
- print(f"<h1>RESPONSE: \"20 Success\", but...</h1><p>The Wobbly browser only supports text responses, and this response is '{clean(response.meta)}'.</p>")
- elif response.responsecode in [40, 41, 42, 43, 44, 50, 51, 52, 53, 59]:
- print(f"<h1>RESPONSE: \"{str(response.responsecode)} {clean(response.meta)}\"</h1><p>This is an error message from the server. Hopefully it makes sense to you.</p>")
- elif response.responsecode in [60, 61, 62]:
- print(f"<h1>RESPONSE: \"{str(response.responsecode)} {clean(response.meta)}\"</h1><p>The Wobbly browser does not support client certificates. Please install a more full-featured browser to visit this page.</p>")
- elif response.responsecode in [10,11]:
- print(f"<h1>RESPONSE: \"{str(response.responsecode)} {clean(response.meta)}\"</h1><p>The status codes 10 and 11 are requests for user input.</p><p>The only means of submitting user input to a server in gemini is via the so-called QUERY_STRING; the part of a URL that follows after a '?'. The Wobbly browser does not support this for privacy/security reasons. Please install a more full-featured browser to be able to submit data.</p>")
- response.discard()
- except:
- print(f"<h1>Unknown Error</h1><p>Something went wrong when trying to fetch '{getenv('QUERY_STRING')}'. Could not recover.</p>")
- else:
- print("<h1>What?</h1><p>I'm sorry, but I don't know what you want me to do without a URL.</p>")
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