git ssb

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var uri = require('urijs');
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var fs = require('fs');
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var pull = require('pull-stream');
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const isIPFS = require('is-ipfs')
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var self = module.exports = {
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  hasIpfsLink(msg) {
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      return typeof msg.value == "object" && typeof msg.value.content ==
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        "object" &&
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        msg.value.content.type == 'post' &&
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        (typeof msg.value.content.text) == "string" &&
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        (
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          msg.value.content.text.indexOf("ipfs://") != -1 ||
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          msg.value.content.text.indexOf("/ipfs/") != -1
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        )
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    },
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    extractHashes(msg) {
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      if (typeof msg.value !== 'object') {
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        return [];
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      }
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      if (typeof msg.value.content !== 'object') {
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        return [];
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      }
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      if (typeof msg.value.content.text !== 'string') {
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        return [];
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      }
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      let parts = [];
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      uri.withinString(msg.value.content.text, (ipfsLink) => {
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        parts = ipfsLink.split('/');
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        //get multiHash
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        parts = parts.filter((x) => isIPFS.multihash(x));
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      });
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      return parts;
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    }
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}
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