两次下载抓包发现所提交参数只有两个地方不一样，一个自然是软件的id，另外一个则是kbsync。

接口地址：

https://buy.itunes.apple.com/WebObjects/MZBuy.woa/wa/buyProduct

cookie:

POST内容

<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">

<plist version="1.0"> 

<dict> 

<key>buyAndSkipHarvesting</key> 

<string>true</string> 

<key>buyWithoutAuthorization</key> 

<string>true</string> 

<key>creditDisplay</key> 

<string /> 

<key>guid</key> 

<string>************</string> 

<key>hasAskedToFulfillPreorder</key> 

<string>true</string> 

<key>hasDoneAgeCheck</key> 

<string>true</string> 

<key>kbsync</key> 

<data> AAQAAyEjTs7hB0bwNszFiZIlpWv9lDQxSm9+OWDLFwguRmRotHDrQMMpOvs9N5thaJ0e

cOjOt4C/7js3RjGvxqUracTIaD9fbj5nlZV5htvelM0yzuhA3LTg1KQ++t68zfbECEb4 Pz9I6txik4aLG1LfGa/OV2xq63zgRCsKVI8KCMhrYir3cowAmkHEFDwRBtTBrft65s+s

untmsbu2/IKJi2cr5+zJOOnciJwk0hZ+gVBqwg77mGiQZ/JWSNVB39vTDA== </data> 

<key>machineName</key> 

<string>Alan'NB6</string> 

<key>needDiv</key> 

<string>0</string> 

<key>origPage</key> 

<string>Software-CN</string> 

<key>origPage2</key> 

<string>Genre-CN-Mobile Software Applications</string> 

<key>origPageCh</key> 

<string>Software Page</string> 

<key>origPageCh2</key> 

<string>Mobile Software Applications-main</string> 

<key>origPageLocation</key> 

<string>Buy</string> 

<key>origPageLocation2</key> 

<string>Tab_iphone|Swoosh_1|Lockup_6</string> 

<key>price</key> 

<string>0</string> 

<key>pricingParameters</key> 

<string>STDQ</string> 

<key>productType</key> 

<string>C</string> 

<key>salableAdamId</key> 

<string>1177989193</string> 

<key>wasWarnedAboutFirstTimeBuy</key> 

<string>true</string> 

</dict> 

</plist>

HEAD