protocol handler smoke-tests

Clicking on each link should result in the same content loading as HTTP equivalent:

1. ipfs://QmbWqxBEKC3P8tqsKc98xmWNzrzDtRLMiMPL8wBuTGsMnR (CIDv0)
   → https://ipfs.io/ipfs/QmbWqxBEKC3P8tqsKc98xmWNzrzDtRLMiMPL8wBuTGsMnR
2. ipfs://bafybeigdyrzt5sfp7udm7hu76uh7y26nf3efuylqabf3oclgtqy55fbzdi (CIDv1)
   → https://ipfs.io/ipfs/bafybeigdyrzt5sfp7udm7hu76uh7y26nf3efuylqabf3oclgtqy55fbzdi
3. ipfs://bafybeiemxf5abjwjbikoz4mc3a3dla6ual3jsgpdr4cjr3oz3evfyavhwq/wiki/Vincent_van_Gogh.html#Style_and_works
   → https://ipfs.io/ipfs/bafybeiemxf5abjwjbikoz4mc3a3dla6ual3jsgpdr4cjr3oz3evfyavhwq/wiki/Vincent_van_Gogh.html#Style_and_works
4. ipns://en.wikipedia-on-ipfs.org/wiki/Vincent_van_Gogh.html#Style_and_works
   → https://ipfs.io/ipns/en.wikipedia-on-ipfs.org/wiki/Vincent_van_Gogh.html#Style_and_works

Open diagnostic page at ipfs://bafkreifik2tbj5esf74sf2qwft2x3vuxaqmthwh3d2qx6abpcroirqpt7i

It should self-report an unique Origin based on the URL authority component (baf..), as stated in RFC 2396.

This is prerequisite for secure sandbox provided by same-origin policy

Embedding via
<img src="ipfs://QmbWqxBEKC3P8tqsKc98xmWNzrzDtRLMiMPL8wBuTGsMnR" />

..should produce the same result as:
<img src="https://ipfs.io/ipfs/QmbWqxBEKC3P8tqsKc98xmWNzrzDtRLMiMPL8wBuTGsMnR" />

Embedding via
<video src="ipfs://bafybeigwa5rlpq42cj3arbw27aprhjezhimhqkvhbb2kztjtdxyhjalr3q/big-buck-bunny_trailer.webm#t=5" >

..should produce the same result as:
<video src="https://ipfs.io/ipfs/bafybeigwa5rlpq42cj3arbw27aprhjezhimhqkvhbb2kztjtdxyhjalr3q/big-buck-bunny_trailer.webm#t=5" >

Fetching data from ipfs:// via XMLHttpRequest:

..should produce same result as XMLHttpRequest to http:// gateway:

Fetching data from ipfs:// via fetch:

..should produce same result as fetch to a gateway over http://: