Hanya don saukar da bidiyo YouTube don koyo

Kamar yadda taken gidan ya ce, wannan hanyar saukar da bidiyon YouTube ba ita ce mafi kyau ba, amma hanya ce ta koyon yadda shirye-shiryen wannan manufa suke aiki kamar wadanda muka gani a nan (youtube-dl, wanda Gaskiya ne, suna da damar da yawa kuma yana da kyau, ina ba da shawara).

Hanyar ita ce amfani da umarni gama gari daga GNU / Linux don wannan dalili, kamar yadda suke Curl da kuma masu amfani da yawa daga Bash y python ana iya amfani da shi don yin rubutun. Ya kamata a lura cewa hanyar ba atomatik bace amma tana buƙatar mai amfani ya sa baki.

Na farko, mun gano bidiyo don yin "gwajin."

Bayan haka zamu sami abun cikin shafin ta hanyar rubutun da zamu adana shi kuma mu aiwatar dashi kamar haka:

"nombre del script" "url de youtube"
Alal misali:
./script_url https://www.youtube.com/watch?v=1r-bWx3WZfQ

#!/bin/bash
ip=$(curl ifconfig.me)
for ((i=0;i<=10;i++))
do
curl -s $1 | grep "r$i---" | grep "expire" | grep "$ip" | grep "http" | grep "ratebypass" | grep "itag"
done

Bayanin rubutu:

An kafa canji ga ip wanda za'a yi amfani dashi ba da daɗewa ba, sannan madauki don gwada lambobi daban-daban a cikin canzawar "$ i", to layi na gaba shine samun abun ciki da kalmar tacewa don "sauƙaƙa" wurin da mahaɗin da yake sha'awar mu.

Lokacin da muke aiwatar da rubutun baya, yana dawo da fitarwa kamar haka:

Da kyau, suna iya tsammanin wannan ba shi da ma'ana, amma ya fi sauƙi fiye da yadda yake ji. Daga cikin kayan aikin da suka samu, muna bincika, zaɓi da kwafe hanyar haɗin da ake tsammani ɓoye a cikin abubuwan, yawanci yana da wannan fom:

http%3A%2F%2Fr2---sn-j5caxvoq5-2ute.googlevideo.com%2Fvideoplayback%3Fitag%3D5%26sver%3D3%26source%3Dyoutube%26mv%3Dm%26id%3Dd6bf9b5b1dd665f4%26ip%3D190.XXX.XX.XX%26key%3Dyt5%26upn%3DOPyez7xDXx0%26expire%3D1394709761%26sparams%3Did%252Cip%252Cipbits%252Citag%252Csource%252Cupn%252Cexpire%26ms%3Dau%26fexp%3D935640%252C927904%252C932250%252C910207%252C927860%252C916611%252C937417%252C913434%252C936910%252C936913%252C902907%252C934022%26mt%3D1394685288%26signature%3D0A96F682936F3E20015E95DC15AC3D291372CDD5.BF5B9EFF421155747A2267148C8F35B018D4A689%26ipbits%3D0

Akwai hakikanin yawancin hanyoyin haɗi kamar haka, amma ba dukansu ke aiki ba. Zai iya zama ɗan wahalar neman sa, don haka don wannan aikin dole ne mu nemi kalmomin http, ipbits, sama, sa hannu kuma wannan ƙarshen tare da haruffa da lambobi da dama BF5B9EFF421155747A2267148C8F35B018D4A689; riga tare da waɗannan abubuwa a cikin haɗin haɗin da ake tsammani, mun kwafa shi.

Ya kamata a lura cewa sau da yawa hanyar haɗi na iya zama ba daidai ba, aƙalla a halin da nake ciki dole ne in yi shi tare da hanyoyi daban-daban 3, amma, yana aiki.

Wannan lambar da muka kwafa ainihin adireshi ne ga wata hanya (wanda a wannan yanayin shine bidiyo), duk da haka, an rubuta shi a cikin sigar haruffa don amfani da harshen HTML, kamar lambobin da suka fara da alamar kashi ( %).

Kamar yadda abin da muke so shine adireshin da yake "wanda za'a iya karantawa" nau'in "http: //", dole ne mu canza waɗannan lambobin zuwa haruffa, don haka zamuyi shi tare da rubutun da aka yi a Python:

#!/usr/bin/python
def parse_conv(dvar):
df=""
count=0
global chain
chain=""
for dc in dvar:
if dc=="%" and count==0:
count=1
elif count==1 or count==2:
df=df+dc
if count==1:
count=2
else:
count=0
chf=chr(int(df,16))
chain+=chf
df=""
else:
chain+=dc
dvar=input("Código a convertir: ")
parse_conv(dvar)
parse_conv(chain)
print(chain)


Kamar yadda yake tare da sauran rubutun, suna adana shi kuma suna sarrafa shi. Wani abu kamar wannan zai bayyana, a can can sai suka lika adireshin da ya gabata suka ba shi ya shiga; Adireshi kamar "http: //" zai bayyana:

Da wannan za mu yi amfani da shi wget don saukar da bidiyon, kamar haka:

wget -c "http://r2---sn-j5caxvoq5-2ute.googlevideo.com/videoplayback?itag=5&sver=3&source=youtube&mv=m&id=d6bf9b5b1dd665f4&ip=190.XXX.XX.XX&key=yt5&upn=OPyez7xDXx0&expire=1394709761&sparams=id,ip,ipbits,itag,source,upn,expire&ms=au&fexp=935640,927904,932250,910207,927860,916611,937417,913434,936910,936913,902907,934022&mt=1394685288&signature=0A96F682936F3E20015E95DC15AC3D291372CDD5.BF5B9EFF421155747A2267148C8F35B018D4A689&ipbits=0"

Muna fatan ya ƙare kuma za a saukar da bidiyonmu daga youtube tare da sabon suna mai ban mamaki:

Mun sake suna kuma mun ga cewa bidiyo iri ɗaya ne da wanda yake cikin mahaɗin, sabili da haka, mun riga mun tabbatar da cewa hanya ce mai wahala amma mai amfani idan kuna son sanin yadda wannan shirin yake aiki.

Fata yana taimaka muku.