From d535dc8846831ea0d74ef96423aa9fd90fbfc6f3 Mon Sep 17 00:00:00 2001
From: Florian Pritz <bluewind@xinu.at>
Date: Sun, 13 Sep 2015 15:18:56 +0200
Subject: Add first version of fb-client v2

Granted, this is pretty complete for a first commit...

Signed-off-by: Florian Pritz <bluewind@xinu.at>
---
 fb.py | 573 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 573 insertions(+)
 create mode 100755 fb.py

(limited to 'fb.py')

diff --git a/fb.py b/fb.py
new file mode 100755
index 0000000..0bd2453
--- /dev/null
+++ b/fb.py
@@ -0,0 +1,573 @@
+#!/usr/bin/python
+
+from enum import Enum
+import argparse
+import collections
+import contextlib
+import datetime
+import getpass
+import json
+import locale
+import os
+import pycurl
+import re
+import shutil
+import subprocess
+import sys
+import tarfile
+import tempfile
+import time
+import xdg.BaseDirectory
+
+from io import BytesIO
+
+# Source: http://stackoverflow.com/a/434328/953022
+def chunker(seq, size):
+        return (seq[pos:pos + size] for pos in range(0, len(seq), size))
+
+# Source: http://stackoverflow.com/a/8356620
+def print_table(table):
+    col_width = [max(len(x) for x in col) for col in zip(*table)]
+    for line in table:
+        print("| " + " | ".join("{:{}}".format(x, col_width[i])
+                                for i, x in enumerate(line)) + " |")
+
+@contextlib.contextmanager
+def make_temp_directory():
+    temp_dir = tempfile.mkdtemp()
+    try:
+        yield temp_dir
+    finally:
+        shutil.rmtree(temp_dir)
+
+class APIException(Exception):
+    pass
+
+class CURLWrapper:
+    def __init__(self, config):
+        c = pycurl.Curl()
+        c.setopt(c.USERAGENT, config['useragent'])
+        c.setopt(c.HTTPHEADER, [
+            "Expect:",
+            "Accept: application/json",
+            ])
+
+        if config["debug"]:
+            c.setopt(c.VERBOSE, 1)
+
+        self.config = config
+        self.curl = c
+        self.post = []
+        self.progressBar = ProgressBar()
+        self.serverConfig = None
+
+    def __add_post(self, data):
+        for item in data:
+            for key, value in item.items():
+                self.post.append((key, (pycurl.FORM_CONTENTS, value)))
+
+    def getServerConfig(self):
+        if self.serverConfig is None:
+            self.serverConfig = CURLWrapper(self.config).send_get("/file/get_config")
+        return self.serverConfig
+
+    def upload_files(self, files):
+        totalSize = 0
+        chunks = [[]]
+        currentChunkSize = 0
+        currentChunk = 0
+        rets = {
+                "ids": [],
+                "urls": [],
+                }
+        if len(files) > self.config["min_files_per_request_default"]:
+            self.getServerConfig()
+
+        for file in files:
+            filesize = os.stat(file).st_size
+            totalSize += filesize
+            if  filesize > self.config["warnsize"]:
+                self.getServerConfig()
+                if filesize > self.serverConfig["upload_max_size"]:
+                    raise APIException("File too big")
+
+            if self.serverConfig is not None and (currentChunkSize + filesize > self.serverConfig["upload_max_size"] \
+                    or len(chunks[currentChunk]) >= self.serverConfig["max_files_per_request"]):
+                currentChunkSize = 0
+                currentChunk += 1
+                chunks.append([])
+            chunks[currentChunk].append(file)
+            currentChunkSize += filesize
+
+        self.progressBar.set_ulglobal(totalSize)
+
+        for chunk in chunks:
+            counter = 0
+            for file in chunk:
+                counter+=1
+                self.post.append(
+                    ("file["+str(counter)+"]", (pycurl.FORM_FILE, file))
+                    )
+            ret = self.send_post_progress("/file/upload", [])
+            rets["ids"] += ret["ids"]
+            rets["urls"] += ret["urls"]
+
+        self.progressBar.reset()
+
+        return rets
+
+    def send_get(self, url):
+        self.curl.setopt(pycurl.URL, self.config["api_url"] + url)
+        return self.perform()
+
+    def send_get_simple(self, url):
+        self.curl.setopt(pycurl.URL, self.config["pastebin"] + url)
+        return self.perform_simple()
+
+    def send_post_progress(self, url, data = []):
+        self.curl.setopt(pycurl.NOPROGRESS, 0)
+        ret = self.send_post(url, data)
+        self.curl.setopt(pycurl.NOPROGRESS, 1)
+        return ret
+
+    def send_post(self, url, data = []):
+        self.curl.setopt(pycurl.URL, self.config["api_url"] + url)
+        self.curl.setopt(pycurl.POST, 1)
+        self.__add_post(data)
+
+        self.addAPIKey()
+        ret = self.perform()
+        self.post = []
+        return ret
+
+    def addAPIKey(self):
+        self.__add_post([{"apikey": self.config["apikey"]}])
+
+    def perform_simple(self):
+        b = BytesIO()
+        self.curl.setopt(pycurl.HTTPPOST, self.post)
+        self.curl.setopt(pycurl.WRITEFUNCTION, b.write)
+        self.curl.setopt(pycurl.PROGRESSFUNCTION, self.progressBar.progress)
+        #self.curl.setopt(pycurl.MAX_SEND_SPEED_LARGE, 200000)
+        self.curl.perform()
+        if self.config["debug"]:
+            print(b.getvalue())
+
+        return b.getvalue().decode("utf-8")
+
+    def perform(self):
+        response = self.perform_simple()
+        try:
+            result = json.loads(response)
+        except ValueError:
+            raise APIException("Invalid response:\n%s" % response)
+
+        if result["status"] == "error":
+            raise APIException("Request failed: %s" % result["message"])
+        if result["status"] != "success":
+            raise APIException("Request failed or invalid response")
+
+        httpcode = self.curl.getinfo(pycurl.HTTP_CODE)
+        if httpcode != 200:
+            raise APIException("Invalid HTTP response code: %s" % httpcode)
+
+
+        return result["data"]
+
+class ProgressBar:
+
+    def __init__(self):
+        samplecount = 20
+        self.progressData = {
+                "lastUpdateTime": time.time(),
+                "lastLineLength": 0,
+                "ullast": 0,
+                "ulGlobalTotal": 0,
+                "ulGlobal": 0,
+                "ulLastSample": 0,
+                "samples":  collections.deque(maxlen=samplecount),
+                }
+
+    def set_ulglobal(self, value):
+        self.progressData["ulGlobalTotal"] = value
+
+    def reset(self):
+        self.progressData["ulGlobalTotal"] = 0
+        self.progressData["ulGlobal"] = 0
+
+    def progress(self, dltotal, dlnow, ultotal, ulnow):
+        data = self.progressData
+        assert data["ulGlobalTotal"] > 0
+
+        # update values here because if we carry one progress bar over multiple
+        # requests we could miss update when running after the rate limiter
+        uldiff = ulnow - data['ullast']
+        if uldiff < 0:
+            # when jumping to the next request we need to reset ullast
+            data['ullast'] = 0
+            return 0
+        data["ulGlobal"] += uldiff
+        data["ullast"] = ulnow
+
+        # upload complete, clean up
+        if data["ulGlobal"] >= data["ulGlobalTotal"]:
+            sys.stderr.write("%s\r" % (" " * (data["lastLineLength"] + 1)))
+            return 0
+
+        if ulnow == 0:
+            return 0
+
+        # limit update rate
+        t = time.time()
+        timeSpent = t - data["lastUpdateTime"]
+        if timeSpent < 0.1 and timeSpent > -1.0:
+            return 0
+
+        uldiff = data['ulGlobal'] - data['ulLastSample']
+        data["lastUpdateTime"] = t
+        data["samples"].append({
+            "size": uldiff,
+            "time": timeSpent,
+            })
+        data['ulLastSample'] = data['ulGlobal']
+
+        sampleTotal = 0
+        sampleTime = 0
+        for i in data["samples"]:
+            sampleTotal += i["size"]
+            sampleTime += i["time"]
+
+        ulspeed = 0
+        eta = "stalling"
+
+        if sampleTime > 0:
+            ulspeed = sampleTotal / sampleTime
+
+        if ulspeed > 0:
+            timeRemaining = (data['ulGlobalTotal'] - data['ulGlobal']) / ulspeed
+            eta = self.format_time(timeRemaining)
+
+        output = "\r{}/s uploaded: {:.1f}% = {}; ETA: {}".format(
+                self.format_bytes(ulspeed),
+                data['ulGlobal'] * 100 / data['ulGlobalTotal'],
+                self.format_bytes(data['ulGlobal']),
+                str(eta)
+                )
+
+        outputlen = len(output)
+        if data["lastLineLength"] > outputlen:
+            output += " " * (data["lastLineLength"] - outputlen)
+        sys.stderr.write(output)
+
+        data["lastLineLength"] = outputlen
+
+    def format_bytes(self, bytes):
+        suffix = ["B", "KiB", "MiB", "GiB", "TiB", "PiB", "EiB", "ZiB", "YiB"]
+        boundry = 2048.0
+        for s in suffix:
+            if bytes <= boundry and bytes >= -boundry:
+                break
+            bytes /= 1024.0
+
+        if s == "B":
+            return "{:.0f}{}".format(bytes, s)
+        else:
+            return "{:.2f}{}".format(bytes, s)
+
+    def format_time(self, time):
+        seconds = time % 60
+        minutes = (time/60)%60
+        hours = (time/60/60)
+
+        if hours >= 1:
+            return "{:.0f}:{:02.0f}:{:02.0f}".format(hours, minutes, seconds)
+        else:
+            return "{:02.0f}:{:02.0f}".format(minutes, seconds)
+
+
+class Compressor:
+    @staticmethod
+    def gzip(file):
+        subprocess.call(['gzip', '-n', file])
+        return file + '.gz'
+
+    @staticmethod
+    def xz(file):
+        subprocess.call(['xz', file])
+        return file + '.xz'
+
+class ConfigParser:
+    def __init__(self, file):
+        self.config = {}
+        self.config["pastebin"] = "https://paste.xinu.at"
+        self.config["clipboard_cmd"] = "xclip"
+        if os.uname()[0] == "Darwin":
+            self.config["clipboard_cmd"] = "pbcopy"
+        self.config["apikey_file"] = os.path.join(xdg.BaseDirectory.xdg_config_home, "fb-client/apikey")
+
+        self.parse(file)
+
+        self.config["apikey_file"] = os.path.expandvars(self.config["apikey_file"])
+
+    def parse(self, file):
+        fh = open(file)
+        for line in fh.readlines():
+            matches = re.match('^(?P<key>[^=]+)=(?P<quotechar>"?)(?P<value>.+)(?P=quotechar)$', line)
+            if matches != None:
+                self.config[matches.group('key')] = matches.group('value')
+
+    def get_config(self):
+        return self.config
+
+class FBClient:
+    # TODO: update version with sed
+    version = "2.0.alpha"
+    modes = Enum("modes", [
+            "upload",
+            "delete",
+            "get",
+            "create_apikey",
+            "display_version",
+            "display_history",
+            ])
+
+    def __init__(self):
+        pass
+
+    def parseConfig(self, file):
+        c = ConfigParser(file)
+        self.config = c.get_config()
+        self.config["api_url"] = self.config["pastebin"]+"/api/v1.1.0"
+        self.config["warnsize"] = 10*1024*1024
+        self.config["min_files_per_request_default"] = 5
+        self.config["min_variables_per_request_default"] = 20
+        self.config["apikey"] = open(self.config["apikey_file"]).read()
+        self.config["useragent"] = "fb-client/%s" % self.version
+
+    def run(self):
+        defaultConfigFile = os.path.join(xdg.BaseDirectory.xdg_config_home, 'fb-client/config')
+
+        parser = argparse.ArgumentParser(
+                description="Upload/nopaste file(s)/stdin to paste.xinu.at and copy URL(s) to clipboard.")
+
+        switches = parser.add_argument_group('switches').add_mutually_exclusive_group()
+        switches.add_argument("-d", "--delete", dest="mode", action="store_const", const=self.modes.delete,
+                help="Delete the IDs")
+        switches.add_argument("-g", "--get", dest="mode", action="store_const", const=self.modes.get,
+                help="Download the IDs and output on stdout (use with care!)")
+        switches.add_argument("-u", "--upload", dest="mode", action="store_const", const=self.modes.upload,
+                help="Upload files/stdin (default)")
+        switches.add_argument("-a", "--create-apikey", dest="mode", action="store_const", const=self.modes.create_apikey,
+                help="Create a new api key")
+        switches.add_argument("-v", "--version", dest="mode", action="store_const", const=self.modes.display_version,
+                help="Display the client version")
+        switches.add_argument("-H", "--history", dest="mode", action="store_const", const=self.modes.display_history,
+                help="Display an upload history")
+
+        parser.add_argument("--config", action="store", default=defaultConfigFile,
+                help="Use different config file")
+        parser.add_argument("-D", "--debug", default=False, action="store_true",
+                help="Enable debug output")
+
+        upload_options = parser.add_argument_group('upload options')
+        upload_options.add_argument("-t", "--tar", default=False, action="store_true",
+                help="Upload a tar file containing all files (and directories)")
+        upload_options.add_argument("-m", "--multipaste", default=False, action="store_true",
+                help="create a multipaste")
+        upload_options.add_argument("-n", "--name", default="stdin", action="store",
+                help="File name to use for upload when reading from stdin (default: stdin)")
+        upload_options.add_argument("-e", "--extension", default="", action="store",
+                help="extension for default highlighting (e.g. \"diff\")")
+
+        parser.add_argument("-c", "--compress", default=0, action="count",
+                help="Compress the file being uploaded with gz or xz if used 2 times. "
+                "When used in conjunction with -g this decompresses the download")
+
+        parser.add_argument("args", metavar="ID|file|folder", nargs="*")
+
+        self.args = parser.parse_args()
+
+        self.parseConfig(self.args.config)
+
+        self.config["debug"] = self.args.debug
+
+        self.curlw = CURLWrapper(self.config)
+
+        functions = {
+                self.modes.upload: self.upload,
+                self.modes.delete: self.delete,
+                self.modes.get: self.get,
+                self.modes.create_apikey: self.create_apikey,
+                self.modes.display_version: self.display_version,
+                self.modes.display_history: self.display_history,
+                }
+        if not self.args.mode:
+            self.args.mode = self.modes.upload
+
+        with make_temp_directory() as self.tempdir:
+            functions[self.args.mode]()
+
+    def makedirs(self, path):
+        try:
+            os.makedirs(os.path.dirname(path))
+        except OSError as e:
+            # FIXME: only catch dir already exists error
+            pass
+
+    def create_temp_copy_path(self, file):
+        dest = os.path.normpath(self.tempdir + "/" + file)
+        self.makedirs(dest)
+        return dest
+
+    def handle_compression(self, file):
+        if self.args.compress > 0:
+            compressor = {
+                1: Compressor.gzip,
+                2: Compressor.xz,
+            }
+            return compressor[self.args.compress](file)
+        else:
+            return file
+
+    def create_temp_copy(self, file):
+        dest = self.create_temp_copy_path(file)
+        open(dest, "w").write(open(file).read())
+        return dest
+
+    def upload_files(self, files):
+        ids = []
+        urls = []
+        upload_files = []
+        for file in files:
+            if not os.path.exists(file):
+                sys.stderr.write("Error: File \"%s\" is not readable/not found.\n" % file)
+                return
+
+            if os.stat(file)[6] == 0:
+                file = self.create_temp_copy(file)
+
+            upload_files.append(self.handle_compression(file))
+
+        resp = self.curlw.upload_files(upload_files)
+        ids = resp["ids"]
+        urls = resp["urls"]
+
+        if self.args.multipaste or len(ids) > 1:
+            self.multipaste(ids)
+        else:
+            for url in urls:
+                print(url)
+            self.setClipboard(' '.join(urls))
+
+    def setClipboard(self, content):
+        p = subprocess.Popen([self.config['clipboard_cmd']], stdin=subprocess.PIPE)
+        p.communicate(input=content.encode('utf-8'))
+
+    def multipaste(self, ids):
+        data = []
+        for id in ids:
+            data.append({"ids["+id+"]": id})
+
+        resp = self.curlw.send_post("/file/create_multipaste", data)
+        print(resp["url"])
+
+    def upload(self):
+        if self.args.tar:
+            tarPath = os.path.join(self.tempdir, 'upload.tar')
+            tar = tarfile.open(tarPath, 'w')
+            for file in self.args.args:
+                tar.add(file)
+            tar.close()
+            self.upload_files([tarPath])
+            return
+
+        if not self.args.args:
+            tempfile = os.path.join(self.tempdir, os.path.basename(self.args.name))
+            if sys.stdin.isatty():
+                print("^C to exit, ^D to send")
+            f = open(tempfile, "w")
+            try:
+                f.write(sys.stdin.read())
+            except KeyboardInterrupt:
+                sys.exit(130)
+            finally:
+                f.close()
+            self.upload_files([tempfile])
+            return
+        else:
+            self.upload_files(self.args.args)
+            return
+
+    def extractId(self, arg):
+        arg = arg.replace(self.config['pastebin'], '')
+        match = re.match('^([^/]+)', arg)
+        id = match.group(0)
+        return id
+
+    def get(self):
+        for arg in self.args.args:
+            id = self.extractId(arg)
+            resp = self.curlw.send_get_simple(id)
+            print(resp)
+
+    def delete(self):
+        chunksize = self.config["min_variables_per_request_default"]
+        if len(self.args.args) > self.config["min_variables_per_request_default"]:
+            sc = self.curlw.getServerConfig()
+            # -1 to leave space for api key
+            chunksize = sc["max_input_vars"] - 1
+
+        for args in chunker(self.args.args, chunksize):
+            data = []
+            for arg in args:
+                id = self.extractId(arg)
+                data.append({"ids["+id+"]": id})
+
+            resp = self.curlw.send_post("/file/delete", data)
+            if resp["errors"]:
+                for item in resp["errors"].values():
+                    print("Failed to delete \"%s\": %s" % (item["id"], item["reason"]))
+
+
+    def display_history(self):
+        resp = self.curlw.send_post("/file/history")
+        items = resp["items"]
+        timeFormat = locale.nl_langinfo(locale.D_T_FMT)
+        itemsTable = [['ID', 'Filename', 'Mimetype', 'Date', 'Hash', 'Size']]
+        # TODO: sort items by date or something. currently they are in random order
+        itemsTable += [[i['id'], i['filename'], i['mimetype'], datetime.datetime.fromtimestamp(int(i['date'])).strftime(timeFormat), i['hash'], i['filesize']] for i in items.values()]
+        print_table(itemsTable)
+
+    def display_version(self):
+        print(self.version)
+
+    def get_input(self, prompt, display=True):
+        sys.stdout.write(prompt)
+        sys.stdout.flush()
+        if not display:
+            input = getpass.getpass('')
+        else:
+            input = sys.stdin.readline().strip()
+        return input
+
+    def create_apikey(self):
+        hostname = os.uname()[1]
+        localuser = getpass.getuser()
+        data = []
+
+        data.append({'username': self.get_input("Username: ")})
+        data.append({'password': self.get_input("Password: ", display=False)})
+        data.append({'comment': "fb-client %s@%s" % (localuser, hostname)})
+        data.append({'access_level': "apikey"})
+
+        resp = self.curlw.send_post('/user/create_apikey', data)
+
+        self.makedirs(os.path.dirname(self.config['apikey_file']))
+        open(self.config['apikey_file'], 'w').write(resp['new_key'])
+
+if __name__ == '__main__':
+    try:
+        FBClient().run()
+    except APIException as e:
+        sys.stderr.write(str(e)+"\n")
+        sys.exit(1)
-- 
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