Update

1 files changed, 293 insertions, 0 deletions

diff --git a/pyload/plugin/crypter/RelinkUs.py b/pyload/plugin/crypter/RelinkUs.py
new file mode 100644
index 000000000..1773f6a22
--- /dev/null
+++ b/pyload/plugin/crypter/RelinkUs.py
@@ -0,0 +1,293 @@
+# -*- coding: utf-8 -*-
+
+from __future__ import with_statement
+
+import base64
+import binascii
+import re
+import os
+
+from Crypto.Cipher import AES
+from pyload.plugin.Crypter import Crypter
+
+
+class RelinkUs(Crypter):
+    __name    = "RelinkUs"
+    __type    = "crypter"
+    __version = "3.11"
+
+    __pattern = r'http://(?:www\.)?relink\.us/(f/|((view|go)\.php\?id=))(?P<id>.+)'
+    __config  = [("use_subfolder", "bool", "Save package to subfolder", True),
+                   ("subfolder_per_package", "bool", "Create a subfolder for each package", True)]
+
+    __description = """Relink.us decrypter plugin"""
+    __license     = "GPLv3"
+    __authors     = [("fragonib", "fragonib[AT]yahoo[DOT]es"),
+                       ("AndroKev", "neureither.kevin@gmail.com")]
+
+
+    PREFERRED_LINK_SOURCES = ["cnl2", "dlc", "web"]
+
+    OFFLINE_TOKEN = r'<title>Tattooside'
+
+    PASSWORD_TOKEN = r'container_password.php'
+    PASSWORD_ERROR_ROKEN = r'You have entered an incorrect password'
+    PASSWORD_SUBMIT_URL = r'http://www.relink.us/container_password.php'
+
+    CAPTCHA_TOKEN = r'container_captcha.php'
+    CAPTCHA_ERROR_ROKEN = r'You have solved the captcha wrong'
+    CAPTCHA_IMG_URL = r'http://www.relink.us/core/captcha/circlecaptcha.php'
+    CAPTCHA_SUBMIT_URL = r'http://www.relink.us/container_captcha.php'
+
+    FILE_TITLE_REGEX = r'<th>Title</th><td>(.*)</td></tr>'
+    FILE_NOTITLE = r'No title'
+
+    CNL2_FORM_REGEX = r'<form id="cnl_form-(.*?)</form>'
+    CNL2_FORMINPUT_REGEX = r'<input.*?name="%s".*?value="(.*?)"'
+    CNL2_JK_KEY = "jk"
+    CNL2_CRYPTED_KEY = "crypted"
+
+    DLC_LINK_REGEX = r'<a href=".*?" class="dlc_button" target="_blank">'
+    DLC_DOWNLOAD_URL = r'http://www.relink.us/download.php'
+
+    WEB_FORWARD_REGEX = r'getFile\(\'(?P<link>.+)\'\)'
+    WEB_FORWARD_URL = r'http://www.relink.us/frame.php'
+    WEB_LINK_REGEX = r'<iframe name="Container" height="100%" frameborder="no" width="100%" src="(?P<link>.+)"></iframe>'
+
+
+    def setup(self):
+        self.fileid = None
+        self.package = None
+        self.password = None
+        self.captcha = False
+
+
+    def decrypt(self, pyfile):
+        # Init
+        self.initPackage(pyfile)
+
+        # Request package
+        self.requestPackage()
+
+        # Check for online
+        if not self.isOnline():
+            self.offline()
+
+        # Check for protection
+        if self.isPasswordProtected():
+            self.unlockPasswordProtection()
+            self.handleErrors()
+
+        if self.isCaptchaProtected():
+            self.captcha = True
+            self.unlockCaptchaProtection()
+            self.handleErrors()
+
+        # Get package name and folder
+        (package_name, folder_name) = self.getPackageInfo()
+
+        # Extract package links
+        package_links = []
+        for sources in self.PREFERRED_LINK_SOURCES:
+            package_links.extend(self.handleLinkSource(sources))
+            if package_links:  # use only first source which provides links
+                break
+        package_links = set(package_links)
+
+        # Pack
+        if package_links:
+            self.packages = [(package_name, package_links, folder_name)]
+
+
+    def initPackage(self, pyfile):
+        self.fileid = re.match(self.__pattern, pyfile.url).group('id')
+        self.package = pyfile.package()
+        self.password = self.getPassword()
+
+
+    def requestPackage(self):
+        self.html = self.load(self.pyfile.url, decode=True)
+
+
+    def isOnline(self):
+        if self.OFFLINE_TOKEN in self.html:
+            self.logDebug("File not found")
+            return False
+        return True
+
+
+    def isPasswordProtected(self):
+        if self.PASSWORD_TOKEN in self.html:
+            self.logDebug("Links are password protected")
+            return True
+
+
+    def isCaptchaProtected(self):
+        if self.CAPTCHA_TOKEN in self.html:
+            self.logDebug("Links are captcha protected")
+            return True
+        return False
+
+
+    def unlockPasswordProtection(self):
+        self.logDebug("Submitting password [%s] for protected links" % self.password)
+        passwd_url = self.PASSWORD_SUBMIT_URL + "?id=%s" % self.fileid
+        passwd_data = {'id': self.fileid, 'password': self.password, 'pw': 'submit'}
+        self.html = self.load(passwd_url, post=passwd_data, decode=True)
+
+
+    def unlockCaptchaProtection(self):
+        self.logDebug("Request user positional captcha resolving")
+        captcha_img_url = self.CAPTCHA_IMG_URL + "?id=%s" % self.fileid
+        coords = self.decryptCaptcha(captcha_img_url, forceUser=True, imgtype="png", result_type='positional')
+        self.logDebug("Captcha resolved, coords [%s]" % str(coords))
+        captcha_post_url = self.CAPTCHA_SUBMIT_URL + "?id=%s" % self.fileid
+        captcha_post_data = {'button.x': coords[0], 'button.y': coords[1], 'captcha': 'submit'}
+        self.html = self.load(captcha_post_url, post=captcha_post_data, decode=True)
+
+
+    def getPackageInfo(self):
+        name = folder = None
+
+        # Try to get info from web
+        m = re.search(self.FILE_TITLE_REGEX, self.html)
+        if m is not None:
+            title = m.group(1).strip()
+            if not self.FILE_NOTITLE in title:
+                name = folder = title
+                self.logDebug("Found name [%s] and folder [%s] in package info" % (name, folder))
+
+        # Fallback to defaults
+        if not name or not folder:
+            name = self.package.name
+            folder = self.package.folder
+            self.logDebug("Package info not found, defaulting to pyfile name [%s] and folder [%s]" % (name, folder))
+
+        # Return package info
+        return name, folder
+
+
+    def handleErrors(self):
+        if self.PASSWORD_ERROR_ROKEN in self.html:
+            msg = "Incorrect password, please set right password on 'Edit package' form and retry"
+            self.logDebug(msg)
+            self.fail(_(msg))
+
+        if self.captcha:
+            if self.CAPTCHA_ERROR_ROKEN in self.html:
+                self.invalidCaptcha()
+                self.retry()
+            else:
+                self.correctCaptcha()
+
+
+    def handleLinkSource(self, source):
+        if source == 'cnl2':
+            return self.handleCNL2Links()
+        elif source == 'dlc':
+            return self.handleDLCLinks()
+        elif source == 'web':
+            return self.handleWEBLinks()
+        else:
+            self.error('Unknown source type "%s" (this is probably a bug)' % source)
+
+
+    def handleCNL2Links(self):
+        self.logDebug("Search for CNL2 links")
+        package_links = []
+        m = re.search(self.CNL2_FORM_REGEX, self.html, re.S)
+        if m is not None:
+            cnl2_form = m.group(1)
+            try:
+                (vcrypted, vjk) = self._getCipherParams(cnl2_form)
+                for (crypted, jk) in zip(vcrypted, vjk):
+                    package_links.extend(self._getLinks(crypted, jk))
+            except Exception:
+                self.logDebug("Unable to decrypt CNL2 links")
+        return package_links
+
+
+    def handleDLCLinks(self):
+        self.logDebug("Search for DLC links")
+        package_links = []
+        m = re.search(self.DLC_LINK_REGEX, self.html)
+        if m is not None:
+            container_url = self.DLC_DOWNLOAD_URL + "?id=%s&dlc=1" % self.fileid
+            self.logDebug("Downloading DLC container link [%s]" % container_url)
+            try:
+                dlc = self.load(container_url)
+                dlc_filename = self.fileid + ".dlc"
+                dlc_filepath = os.path.join(self.config['general']['download_folder'], dlc_filename)
+                with open(dlc_filepath, "wb") as f:
+                    f.write(dlc)
+                package_links.append(dlc_filepath)
+            except Exception:
+                self.fail("Unable to download DLC container")
+        return package_links
+
+
+    def handleWEBLinks(self):
+        self.logDebug("Search for WEB links")
+
+        package_links = []
+        params        = re.findall(self.WEB_FORWARD_REGEX, self.html)
+
+        self.logDebug("Decrypting %d Web links" % len(params))
+
+        for index, param in enumerate(params):
+            try:
+                url = self.WEB_FORWARD_URL + "?%s" % param
+
+                self.logDebug("Decrypting Web link %d, %s" % (index + 1, url))
+
+                res  = self.load(url, decode=True)
+                link = re.search(self.WEB_LINK_REGEX, res).group('link')
+
+                package_links.append(link)
+
+            except Exception, detail:
+                self.logDebug("Error decrypting Web link %s, %s" % (index, detail))
+
+            self.setWait(4)
+            self.wait()
+
+        return package_links
+
+
+    def _getCipherParams(self, cnl2_form):
+        # Get jk
+        jk_re = self.CNL2_FORMINPUT_REGEX % self.CNL2_JK_KEY
+        vjk = re.findall(jk_re, cnl2_form, re.I)
+
+        # Get crypted
+        crypted_re = self.CNL2_FORMINPUT_REGEX % RelinkUs.CNL2_CRYPTED_KEY
+        vcrypted = re.findall(crypted_re, cnl2_form, re.I)
+
+        # Log and return
+        self.logDebug("Detected %d crypted blocks" % len(vcrypted))
+        return vcrypted, vjk
+
+
+    def _getLinks(self, crypted, jk):
+        # Get key
+        jreturn = self.js.eval("%s f()" % jk)
+        self.logDebug("JsEngine returns value [%s]" % jreturn)
+        key = binascii.unhexlify(jreturn)
+
+        # Decode crypted
+        crypted = base64.standard_b64decode(crypted)
+
+        # Decrypt
+        Key = key
+        IV = key
+        obj = AES.new(Key, AES.MODE_CBC, IV)
+        text = obj.decrypt(crypted)
+
+        # Extract links
+        text = text.replace("\x00", "").replace("\r", "")
+        links = text.split("\n")
+        links = filter(lambda x: x != "", links)
+
+        # Log and return
+        self.logDebug("Package has %d links" % len(links))
+        return links