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IPFS Hash Linker

Link IPFS hashes to the IPFS gateway

当前为 2015-12-12 提交的版本，查看 最新版本。

// ==UserScript==
// @name           IPFS Hash Linker
// @namespace      IPFS Hash Linker
// @description    Link IPFS hashes to the IPFS gateway
// @version        1.0
// @include        *
// ==/UserScript==

text = document.body.innerHTML;
if (text.match(/([^A-Za-z0-9/"]|ipfs\/)Qm[A-HJ-NP-Za-km-z1-9]{44,45}[^A-Za-z0-9"]/)) {
    document.body.innerHTML = text.replace(/(<[^<]*[^A-Za-z0-9/"])(\/?ipfs\/)?(Qm[A-HJ-NP-Za-km-z1-9]{44,45})([^A-Za-z0-9?%"]...)/g,function(matchedString,preHash,path,hash,postHash){
        if(typeof path == "undefined") {
            // Sometimes there's no leading /ipfs/
            path = "/ipfs/";
        }
        if(matchedString.match(/^<(textarea|input|pre|code)/i) || postHash=="</a>") {
            // Make no change inside links or in other weird environments.
            return preHash+path+hash+postHash;
        } else {
            // Otherwise put it in a link.
            return preHash+"<a href=\"https://gateway.ipfs.io/ipfs/"+hash+"\">"+path+hash+"</a>"+postHash;
        }
    });
}

// Tips: 1NT9pxhDcPfsFhnrVoehxiUZ7HCC3gnsn3
// Based on the "Bitcoin Tool" userscript:
// http://userscripts.org/scripts/show/104381

// This is public domain code, free for commercial and non-commercial use.
// If you use some of it, give a link to this script.