# The MIT License

#

# Copyright (c) 2014-2022 Sebastian Ramacher

#

# Permission is hereby granted, free of charge, to any person obtaining a copy

# of this software and associated documentation files (the "Software"), to deal

# in the Software without restriction, including without limitation the rights

# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

# copies of the Software, and to permit persons to whom the Software is

# furnished to do so, subject to the following conditions:

#

# The above copyright notice and this permission notice shall be included in

# all copies or substantial portions of the Software.

#

# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN

# THE SOFTWARE.

import errno

import subprocess

from typing import Optional, Tuple, Protocol

from urllib.parse import urljoin, urlparse

import requests

import unicodedata

from .config import getpreferredencoding

from .translations import _

class PasteFailed(Exception):

pass

class Paster(Protocol):

def paste(self, s: str) -> Tuple[str, Optional[str]]:

...

class PastePinnwand:

def __init__(self, url: str, expiry: str) -> None:

self.url = url

self.expiry = expiry

def paste(self, s: str) -> Tuple[str, str]:

"""Upload to pastebin via json interface."""

url = urljoin(self.url, "/api/v1/paste")

payload = {

"expiry": self.expiry,

"files": [{"lexer": "pycon", "content": s}],

}

try:

response = requests.post(url, json=payload, verify=True)

response.raise_for_status()

except requests.exceptions.RequestException as exc:

raise PasteFailed(str(exc))

data = response.json()

paste_url = data["link"]

removal_url = data["removal"]

return (paste_url, removal_url)

class PasteHelper:

def __init__(self, executable: str) -> None:

self.executable = executable

def paste(self, s: str) -> Tuple[str, None]:

"""Call out to helper program for pastebin upload."""

try:

helper = subprocess.Popen(

"",

executable=self.executable,

stdin=subprocess.PIPE,

stdout=subprocess.PIPE,

)

assert helper.stdin is not None

encoding = getpreferredencoding()

helper.stdin.write(s.encode(encoding))

output = helper.communicate()[0].decode(encoding)

paste_url = output.split()[0]

except OSError as e:

if e.errno == errno.ENOENT:

raise PasteFailed(_("Helper program not found."))

else:

raise PasteFailed(_("Helper program could not be run."))

if helper.returncode != 0:

raise PasteFailed(

_(

"Helper program returned non-zero exit status %d."

% (helper.returncode,)

)

)

if not paste_url:

raise PasteFailed(_("No output from helper program."))

parsed_url = urlparse(paste_url)

if not parsed_url.scheme or any(

unicodedata.category(c) == "Cc" for c in paste_url

):

raise PasteFailed(

_(

"Failed to recognize the helper "

"program's output as an URL."

)

)

return paste_url, None