2019-05-24 00:16:47 -05:00
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===============================================================================
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2019-06-19 12:01:18 -05:00
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CL-IPFS-API²
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2019-05-24 00:16:47 -05:00
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===============================================================================
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:cl-ipfs-api² is a pretty simple set of IPFS bindings for Common Lisp, using
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2019-06-18 12:45:31 -05:00
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the HTTP API for (almost) everything, except for pubsub (which uses the locally
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installed go-ipfs program).
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2024-05-30 12:22:44 -05:00
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It uses Drakma, YASON, and UIOP.
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2019-05-24 00:16:47 -05:00
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2019-06-06 19:13:15 -05:00
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————————————————————————————————————————
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2019-05-24 00:16:47 -05:00
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USAGE
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————————————————————————————————————————
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2019-07-21 22:25:14 -05:00
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:cl-ipfs-api² is available on Quicklisp, so just run:
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> (ql:quickload :cl-ipfs-api2)
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Then you can do things like:
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> (ipfs:add #p"~/.bashrc")
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"QmZweanA1JRNio6DKnPN6yECWCrxmWqqG7WWUNtyuji9hZ"
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> (ipfs:cat "/ipns/ipfs.io/index.html")
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"<!DOCTYPE html>
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……"
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Most commands available are one-to-one with their API/cli counter-parts,
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with a few notable exceptions:
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* #'dl (counter-part to the /get call. the name is different, so
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as to not conflict with #'common-lisp:get)
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The calls implemented so far:
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* root (cat, add, id, ls, resolve, etc)
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* bitswap, block, bootstrap
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* cid, config (config, config/show)
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* dag, dht, diag
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* file, files, filestore
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* key, name, object
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* p2p, pin, pubsub
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* refs, repo, stats
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* swarm, urlstore
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* version (version, version/deps)
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2019-06-18 12:45:31 -05:00
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Some calls were skipped over, but wouldn't be hard to add:
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* object/put, object/set-data object/patch/append-data
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* tar calls were deliberately ignored (useless)
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Functions return either strings, lists, or associative lists, depending on
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context. All errors return two values— nil and an error message (string).
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Make sure to read docstrings for specific information, and keeping the API
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reference handy is a good idea (/ipns/docs.ipfs.io/reference/api/http/).
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2019-06-19 15:17:52 -05:00
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————————————————————
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USEFUL VARIABLES
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————————————————————
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There are three exported variables:
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ipfs:*api-host* → "http://127.0.0.1:5001"
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ipfs:*api-root* → "/api/v0/"
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ipfs:*ipfs-root* → NIL
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*api-host* is the protocol, host, and port of the API server— unless you're
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using a custom port or remote server, this probably won't need to change.
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*api-root* is the URL root of all API calls on the server— only changes under
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very strange circumstances.
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*ipfs-root* is the “root” of the local IPFS daemon. This is only used with
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the pubsub commands, since they actually invoke the local `ipfs` program.
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You only need to change this variable if your $IPFS_PATH is irregular, like
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"/var/ipfs/" or something weird like that.
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————————————————————
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PUBSUB USAGE
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————————————————————
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Pubsub usage here is such an abberation that it warrants its own section.
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Since there isn't a (functional) HTTP API for pubsub yet, we're using the
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actual go-ipfs program from your computer.
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If you don't have go-ipfs locally installed, it won't work.
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If you are using Windows, or anything but *nix, it probably won't work.
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If you haven't enabled pubsub (--enable-pubsub-experiment argument to daemon),
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it won't work.
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You can sub to a topic with, ofc, #'pubsub-sub, which will return a
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UIOP-originated process-info stream— while the `ipfs pubsub sub` command runs
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in the background.
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This stream can't be directly #'read-char or #'listen with, which is exactly
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what you wanna do— instead, running #'uiop/launch-program:process-info-output
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on it is necessary to expose a usable stream.
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To make all that easier, there's a little abstraction I added which obfuscates
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UIOP use and is adequate shorthand:
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* #'pubsub-sub-read-char
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* #'pubsub-sub-listen
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* #'pubsub-sub-process
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* #'pubsub-sub-close
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All of those operate on the original UIOP-originated process-info stream, and
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work exactly like you'd expect.
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The only weird, non-obvious one is probably #'pubsub-sub-process, which applies
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#'uiop/launch-program:process-info-output— just in case you need the raw,
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usable stream.
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Anyway, with this, you can get a continuous read on what's going on with the
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topic you're subbed to. To publish to a topic, run #'pubsub-pub with the topic
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and data as arguments. Pretty simple.
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Both #'pubsub-sub and #'pubsub-pub, being the only functions that run a shell
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command, include an :env argument. If you supply a string as the :env argument,
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that string will prefix the "ipfs" command— basically only useful for changing
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something with the "env" command (like $IPFS_PATH).
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Also, if you change the ipfs:*ipfs-root* variable (to the correct value of
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$IPFS_PATH), the :env arguments (unless otherwise specified) will default to
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"env IPFS_PATH=" + ipfs:*ipfs-root* + " > /dev/null;"
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2019-05-24 00:16:47 -05:00
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2019-06-06 19:13:15 -05:00
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————————————————————————————————————————
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2019-05-24 00:16:47 -05:00
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BORING STUFF
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————————————————————————————————————————
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2021-01-10 11:01:44 -06:00
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License is the GNU LGPLv3:
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check COPYING.txt (/ipfs/QmR8Rnk5QdXgrXRqmgMLmG5PuHZEjujfa3rfVhPV99TLY7)
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2024-01-29 15:01:31 -06:00
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Author is Jaidyn Ann <jadedctrl@posteo.at>
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Sauce is at https://hak.xwx.moe/jadedctrl/cl-ipfs-api2
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