Actually parsing the datauri

[mofosyne]

Instead of handing it off to the browser. Actually parse the bloody data. You can then save the resulting file or ask android how to use it (e.g. as a pdf or png etc...) without having to touch the browser.

Much safer security wise.

Also provides opportunities to extend with metadata.

Seems like there is existing efforts to do this. Maybe use that?

• https://github.com/ooxi/jdatauri
• http://stackoverflow.com/questions/5714281/regex-to-parse-image-data-uri-c

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# dumb-append let's reader know that it is a free reading of incoming data, no structure
    ;dumb-append
# Structured Append, uses Sequence ID and Sequence Total to append a sequence of IDs as 1: 2: 3:
    ;structured-append
# Sequence ID
    ;seq-id=
# Sequence Sum/Total
    ;seq-total=
# CRC seq expected.
    ;seq-crc=