Backend Development
PHP Tutorial
Recently I saw a Python PPTV interface in github. Can anyone help convert the algorithm in this interface into PHP?
Recently I saw a Python PPTV interface in github. Can anyone help convert the algorithm in this interface into PHP?
<code>#!/usr/bin/env python
__all__ = ['pptv_download', 'pptv_download_by_id']
from ..common import *
import re
import time
import urllib
from random import random
def constructKey(arg):
def str2hex(s):
r=""
for i in s[:8]:
t=hex(ord(i))[2:]
if len(t)==1:
t="0"+t
r+=t
for i in range(16):
r+=hex(int(15*random()))[2:]
return r
#ABANDONED Because SERVER_KEY is static
def getkey(s):
#returns 1896220160
l2=[i for i in s]
l4=0
l3=0
while l4<len(l2):
l5=l2[l4]
l6=ord(l5)
l7=l6<<((l4%4)*8)
l3=l3^l7
l4+=1
return l3
pass
def rot(k,b): ##>>> in as3
if k>=0:
return k>>b
elif k<0:
return (2**32+k)>>b
pass
def lot(k,b):
return (k<<b)%(2**32)
#WTF?
def encrypt(arg1,arg2):
delta=2654435769
l3=16;
l4=getkey(arg2) #1896220160
l8=[i for i in arg1]
l10=l4;
l9=[i for i in arg2]
l5=lot(l10,8)|rot(l10,24)#101056625
# assert l5==101056625
l6=lot(l10,16)|rot(l10,16)#100692230
# assert 100692230==l6
l7=lot(l10,24)|rot(l10,8)
# assert 7407110==l7
l11=""
l12=0
l13=ord(l8[l12])<<0
l14=ord(l8[l12+1])<<8
l15=ord(l8[l12+2])<<16
l16=ord(l8[l12+3])<<24
l17=ord(l8[l12+4])<<0
l18=ord(l8[l12+5])<<8
l19=ord(l8[l12+6])<<16
l20=ord(l8[l12+7])<<24
l21=(((0|l13)|l14)|l15)|l16
l22=(((0|l17)|l18)|l19)|l20
l23=0
l24=0
while l24<32:
l23=(l23+delta)%(2**32)
l33=(lot(l22,4)+l4)%(2**32)
l34=(l22+l23)%(2**32)
l35=(rot(l22,5)+l5)%(2**32)
l36=(l33^l34)^l35
l21=(l21+l36)%(2**32)
l37=(lot(l21,4)+l6)%(2**32)
l38=(l21+l23)%(2**32)
l39=(rot(l21,5))%(2**32)
l40=(l39+l7)%(2**32)
l41=((l37^l38)%(2**32)^l40)%(2**32)
l22=(l22+l41)%(2**32)
l24+=1
l11+=chr(rot(l21,0)&0xff)
l11+=chr(rot(l21,8)&0xff)
l11+=chr(rot(l21,16)&0xff)
l11+=chr(rot(l21,24)&0xff)
l11+=chr(rot(l22,0)&0xff)
l11+=chr(rot(l22,8)&0xff)
l11+=chr(rot(l22,16)&0xff)
l11+=chr(rot(l22,24)&0xff)
return l11
loc1=hex(int(arg))[2:]+(16-len(hex(int(arg))[2:]))*"\x00"
SERVER_KEY="qqqqqww"+"\x00"*9
res=encrypt(loc1,SERVER_KEY)
return str2hex(res)
def pptv_download_by_id(id, title = None, output_dir = '.', merge = True, info_only = False):
xml = get_html('http://web-play.pptv.com/webplay3-0-%s.xml?type=web.fpp' % id)
#vt=3 means vod mode vt=5 means live mode
host = r1(r'<sh>([^<>]+)</sh>', xml)
k = r1(r'<key expire=[^<>]+>([^<>]+)</key>', xml)
rid = r1(r'rid="([^"]+)"', xml)
title = r1(r'nm="([^"]+)"', xml)
st=r1(r'<st>([^<>]+)</st>',xml)[:-4]
st=time.mktime(time.strptime(st))*1000-60*1000-time.time()*1000
st+=time.time()*1000
st=st/1000
key=constructKey(st)
pieces = re.findall('<sgm no="(\d+)"[^<>]+fs="(\d+)"', xml)
numbers, fs = zip(*pieces)
urls=["http://{}/{}/{}?key={}&fpp.ver=1.3.0.4&k={}&type=web.fpp".format(host,i,rid,key,k) for i in range(max(map(int,numbers))+1)]
total_size = sum(map(int, fs))
assert rid.endswith('.mp4')
print_info(site_info, title, 'mp4', total_size)
if not info_only:
try:
download_urls(urls, title, 'mp4', total_size, output_dir = output_dir, merge = merge)
except urllib.error.HTTPError:
#for key expired
pptv_download_by_id(id, output_dir = output_dir, merge = merge, info_only = info_only)
def pptv_download(url, output_dir = '.', merge = True, info_only = False, **kwargs):
assert re.match(r'http://v.pptv.com/show/(\w+)\.html$', url)
html = get_html(url)
id = r1(r'webcfg\s*=\s*{"id":\s*(\d+)', html)
assert id
pptv_download_by_id(id, output_dir = output_dir, merge = merge, info_only = info_only)
</code>Reply content:
<code>#!/usr/bin/env python
__all__ = ['pptv_download', 'pptv_download_by_id']
from ..common import *
import re
import time
import urllib
from random import random
def constructKey(arg):
def str2hex(s):
r=""
for i in s[:8]:
t=hex(ord(i))[2:]
if len(t)==1:
t="0"+t
r+=t
for i in range(16):
r+=hex(int(15*random()))[2:]
return r
#ABANDONED Because SERVER_KEY is static
def getkey(s):
#returns 1896220160
l2=[i for i in s]
l4=0
l3=0
while l4<len(l2):
l5=l2[l4]
l6=ord(l5)
l7=l6<<((l4%4)*8)
l3=l3^l7
l4+=1
return l3
pass
def rot(k,b): ##>>> in as3
if k>=0:
return k>>b
elif k<0:
return (2**32+k)>>b
pass
def lot(k,b):
return (k<<b)%(2**32)
#WTF?
def encrypt(arg1,arg2):
delta=2654435769
l3=16;
l4=getkey(arg2) #1896220160
l8=[i for i in arg1]
l10=l4;
l9=[i for i in arg2]
l5=lot(l10,8)|rot(l10,24)#101056625
# assert l5==101056625
l6=lot(l10,16)|rot(l10,16)#100692230
# assert 100692230==l6
l7=lot(l10,24)|rot(l10,8)
# assert 7407110==l7
l11=""
l12=0
l13=ord(l8[l12])<<0
l14=ord(l8[l12+1])<<8
l15=ord(l8[l12+2])<<16
l16=ord(l8[l12+3])<<24
l17=ord(l8[l12+4])<<0
l18=ord(l8[l12+5])<<8
l19=ord(l8[l12+6])<<16
l20=ord(l8[l12+7])<<24
l21=(((0|l13)|l14)|l15)|l16
l22=(((0|l17)|l18)|l19)|l20
l23=0
l24=0
while l24<32:
l23=(l23+delta)%(2**32)
l33=(lot(l22,4)+l4)%(2**32)
l34=(l22+l23)%(2**32)
l35=(rot(l22,5)+l5)%(2**32)
l36=(l33^l34)^l35
l21=(l21+l36)%(2**32)
l37=(lot(l21,4)+l6)%(2**32)
l38=(l21+l23)%(2**32)
l39=(rot(l21,5))%(2**32)
l40=(l39+l7)%(2**32)
l41=((l37^l38)%(2**32)^l40)%(2**32)
l22=(l22+l41)%(2**32)
l24+=1
l11+=chr(rot(l21,0)&0xff)
l11+=chr(rot(l21,8)&0xff)
l11+=chr(rot(l21,16)&0xff)
l11+=chr(rot(l21,24)&0xff)
l11+=chr(rot(l22,0)&0xff)
l11+=chr(rot(l22,8)&0xff)
l11+=chr(rot(l22,16)&0xff)
l11+=chr(rot(l22,24)&0xff)
return l11
loc1=hex(int(arg))[2:]+(16-len(hex(int(arg))[2:]))*"\x00"
SERVER_KEY="qqqqqww"+"\x00"*9
res=encrypt(loc1,SERVER_KEY)
return str2hex(res)
def pptv_download_by_id(id, title = None, output_dir = '.', merge = True, info_only = False):
xml = get_html('http://web-play.pptv.com/webplay3-0-%s.xml?type=web.fpp' % id)
#vt=3 means vod mode vt=5 means live mode
host = r1(r'<sh>([^<>]+)</sh>', xml)
k = r1(r'<key expire=[^<>]+>([^<>]+)</key>', xml)
rid = r1(r'rid="([^"]+)"', xml)
title = r1(r'nm="([^"]+)"', xml)
st=r1(r'<st>([^<>]+)</st>',xml)[:-4]
st=time.mktime(time.strptime(st))*1000-60*1000-time.time()*1000
st+=time.time()*1000
st=st/1000
key=constructKey(st)
pieces = re.findall('<sgm no="(\d+)"[^<>]+fs="(\d+)"', xml)
numbers, fs = zip(*pieces)
urls=["http://{}/{}/{}?key={}&fpp.ver=1.3.0.4&k={}&type=web.fpp".format(host,i,rid,key,k) for i in range(max(map(int,numbers))+1)]
total_size = sum(map(int, fs))
assert rid.endswith('.mp4')
print_info(site_info, title, 'mp4', total_size)
if not info_only:
try:
download_urls(urls, title, 'mp4', total_size, output_dir = output_dir, merge = merge)
except urllib.error.HTTPError:
#for key expired
pptv_download_by_id(id, output_dir = output_dir, merge = merge, info_only = info_only)
def pptv_download(url, output_dir = '.', merge = True, info_only = False, **kwargs):
assert re.match(r'http://v.pptv.com/show/(\w+)\.html$', url)
html = get_html(url)
id = r1(r'webcfg\s*=\s*{"id":\s*(\d+)', html)
assert id
pptv_download_by_id(id, output_dir = output_dir, merge = merge, info_only = info_only)
</code>
Hot AI Tools
Undresser.AI Undress
AI-powered app for creating realistic nude photos
AI Clothes Remover
Online AI tool for removing clothes from photos.
Undress AI Tool
Undress images for free
Clothoff.io
AI clothes remover
AI Hentai Generator
Generate AI Hentai for free.
Hot Article
Hot Tools
Notepad++7.3.1
Easy-to-use and free code editor
SublimeText3 Chinese version
Chinese version, very easy to use
Zend Studio 13.0.1
Powerful PHP integrated development environment
Dreamweaver CS6
Visual web development tools
SublimeText3 Mac version
God-level code editing software (SublimeText3)
Hot Topics
Explain late static binding in PHP (static::).
Apr 03, 2025 am 12:04 AM
Static binding (static::) implements late static binding (LSB) in PHP, allowing calling classes to be referenced in static contexts rather than defining classes. 1) The parsing process is performed at runtime, 2) Look up the call class in the inheritance relationship, 3) It may bring performance overhead.
What are PHP magic methods (__construct, __destruct, __call, __get, __set, etc.) and provide use cases?
Apr 03, 2025 am 12:03 AM
What are the magic methods of PHP? PHP's magic methods include: 1.\_\_construct, used to initialize objects; 2.\_\_destruct, used to clean up resources; 3.\_\_call, handle non-existent method calls; 4.\_\_get, implement dynamic attribute access; 5.\_\_set, implement dynamic attribute settings. These methods are automatically called in certain situations, improving code flexibility and efficiency.
Is the conversion speed fast when converting XML to PDF on mobile phone?
Apr 02, 2025 pm 10:09 PM
The speed of mobile XML to PDF depends on the following factors: the complexity of XML structure. Mobile hardware configuration conversion method (library, algorithm) code quality optimization methods (select efficient libraries, optimize algorithms, cache data, and utilize multi-threading). Overall, there is no absolute answer and it needs to be optimized according to the specific situation.
How to convert XML files to PDF on your phone?
Apr 02, 2025 pm 10:12 PM
It is impossible to complete XML to PDF conversion directly on your phone with a single application. It is necessary to use cloud services, which can be achieved through two steps: 1. Convert XML to PDF in the cloud, 2. Access or download the converted PDF file on the mobile phone.
What is the function of C language sum?
Apr 03, 2025 pm 02:21 PM
There is no built-in sum function in C language, so it needs to be written by yourself. Sum can be achieved by traversing the array and accumulating elements: Loop version: Sum is calculated using for loop and array length. Pointer version: Use pointers to point to array elements, and efficient summing is achieved through self-increment pointers. Dynamically allocate array version: Dynamically allocate arrays and manage memory yourself, ensuring that allocated memory is freed to prevent memory leaks.
Is there any mobile app that can convert XML into PDF?
Apr 02, 2025 pm 08:54 PM
An application that converts XML directly to PDF cannot be found because they are two fundamentally different formats. XML is used to store data, while PDF is used to display documents. To complete the transformation, you can use programming languages and libraries such as Python and ReportLab to parse XML data and generate PDF documents.
Explain JSON Web Tokens (JWT) and their use case in PHP APIs.
Apr 05, 2025 am 12:04 AM
JWT is an open standard based on JSON, used to securely transmit information between parties, mainly for identity authentication and information exchange. 1. JWT consists of three parts: Header, Payload and Signature. 2. The working principle of JWT includes three steps: generating JWT, verifying JWT and parsing Payload. 3. When using JWT for authentication in PHP, JWT can be generated and verified, and user role and permission information can be included in advanced usage. 4. Common errors include signature verification failure, token expiration, and payload oversized. Debugging skills include using debugging tools and logging. 5. Performance optimization and best practices include using appropriate signature algorithms, setting validity periods reasonably,
How to convert xml into pictures
Apr 03, 2025 am 07:39 AM
XML can be converted to images by using an XSLT converter or image library. XSLT Converter: Use an XSLT processor and stylesheet to convert XML to images. Image Library: Use libraries such as PIL or ImageMagick to create images from XML data, such as drawing shapes and text.
