130 lines
3.7 KiB
Bash
130 lines
3.7 KiB
Bash
#!/bin/sh
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#―――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――
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# Name: fedi-post.sh
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# Desc: Makes a new post using an post archived with fedi-archive.sh.
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# Reqs: curl, jq
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# Date: 2023-05-06
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# Auth: @jadedctrl@jam.xwx.moe
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#―――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――
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# Outputs only the status text of a user's post, with a link to the original
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# appended to the bottom.
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file_status() {
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local file="$1"
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local id="$(head -1 "$file" | awk '{print $3}')"
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local url="$(head -1 "$file" | awk '{print $4}')"
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tail +2 "$file" \
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| grep -v ^media: \
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| grep -v "$id" \
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| sed 's%\\%\\\\%g' \
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| sed 's%"%\\"%g' \
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| sed -z 's%\n%\\n%g'
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if test -n "$url"; then
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printf '<br/>[<a href=\\"%s\\">Originala afiŝo</a>]\\n' "$url"
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fi
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}
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# Turns a space-delimited list of uploaded media-IDs into a JSON array.
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media_json() {
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local ids="$1"
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echo "$ids" \
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| sed 's%^ %%' \
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| sed 's% $%%' \
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| sed 's%^%["%' \
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| sed 's% %","%g' \
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| sed 's%$%"]%'
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}
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# Takes a post message and JSON-array of uploaded media-IDs, outputting
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# the post's appropriate JSON.
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post_json() {
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local message="$1"
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local media_ids="$2"
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printf '{ "content_type": "text/html", "visibility": "unlisted"'
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if test -n "$media_ids"; then
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printf ', "media_ids": %s, ' "$media_ids"
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fi
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printf '"status": "%s" }\n' "$message"
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}
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# Upload a file to the fedi server with the given description.
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post_media() {
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local media_file="$1"
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local description="$2"
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curl --request POST \
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--header "Authorization: Bearer $FEDI_AUTH" \
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--header "Content-Type: multipart/form-data" \
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--form "file=@$media_file" \
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--form "description=$description" \
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"https://jam.xwx.moe/api/v1/media"
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}
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# Post a status of the given message and JSON-array of uploaded media-IDs.
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post_status() {
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local message="$1"
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local media_ids="$2"
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curl --request POST \
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--header "Authorization: Bearer $FEDI_AUTH" \
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--header "Content-Type: application/json" \
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--data "$(post_json "$message" "$media_ids")" \
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"https://jam.xwx.moe/api/v1/statuses"
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}
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# Take a post file generated by fedi-archive.sh, and post it.
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# Just *do it*. Why not? What're you scared of? Huh, huh? Huh?!
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post_archived_post() {
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local file="$1"
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IFS="
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"
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local ids=""
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for media in $(grep "^media: " "$file"); do
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local url="$(echo "$media" | awk '{print $2}')"
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local desc="$(echo "$media" | awk '{ $1=$2=""; print}' | sed 's%^ %%')"
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curl -o "$(basename "$url")" "$url"
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ids="$ids $(post_media "$(basename "$url")" "$desc" | jq -r '.id')"
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rm "$(basename "$url")"
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done
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printf '%s ' "$(head -1 "$file" | awk '{print $1, $2}')"
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post_status "$(file_status "$file")" "$(media_json "$ids")" \
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| jq -r .uri
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}
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usage() {
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echo "usage: $(basename "$0") ARCHIVED-POST" 1>&2
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echo "" 1>&2
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echo "Will post a new status with the same text and attachments as one" 1>&2
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echo "from an archived post (in fedi-archive.sh format)." 1>&2
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echo "Your authorization key must be borrowed from your web-browser and" 1>&2
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echo 'placed in the $FEDI_AUTH environment variable.' 1>&2
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exit 2
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}
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if test -z "$FEDI_AUTH"; then
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echo 'You need to set the environment variable $FEDI_AUTH!' 1>&2
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echo 'You can find your auth key by examining the "Authentication: Bearer" header' 1>&2
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echo "used in requests by your server's web-client." 1>&2
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echo 'In Firefox, F12→Network.' 1>&2
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echo "" 1>&2
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usage
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fi
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FILE="$1"
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if test -z "$FILE" -o "$1" = "-h" -o "$1" = "--help"; then
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usage
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fi
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post_archived_post "$FILE"
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