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fix unquoted filenames for curl in notice

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This commit is contained in:
Connor Olding 2024-07-23 05:41:52 -07:00
parent 6bff3980fb
commit a7b93dd8f4
1 changed files with 22 additions and 10 deletions
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32
sh/notice
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@ -1,5 +1,7 @@
#!/usr/bin/env sh
# compat: +ash +bash +dash +zsh
# compat: +ash +bash +dash -hush +ksh +mksh +oksh +osh -posh +yash +zsh
# hush either fails to output certain text or just segfaults.
# posh generally works, but has issues with escaping strings.
__notice_warn() {
printf >&2 'notice: %s\n' "$*"
@ -113,6 +115,9 @@ __notice_log() {
# you lose 200, then another 7 for "files[]", then another 6 for "myfile".
# therefore the maximum size that "myfile" can be is instead 787.
# NOTE: i haven't tested double quotes in filenames yet;
# perhaps they count as two bytes each - not sure.
__notice_compute_form_limit() {
# usage: $0 {FIELD NAME} {FILE NAME} {FILE SIZE} {SIZE LIMIT}
# returns 1 when over the limit.
@ -136,7 +141,8 @@ __notice_upload_to_io_file() {
# defaults: 14 days, ephemeral (deletes after 1 download)
# wget should use --content-disposition when downloading
__notice_compute_form_limit "file" "${1##*/}" "${bytes:-0}" 2000000000 || return 128
raw="$(__notice_curl -F "file=@$1" "https://$target")" || return
__notice_escape "$1" '\\"'
raw="$(__notice_curl -F "file=@\"$REPLY\"" "https://$target")" || return
[ "${raw#'{"success":true,"status":200,'}" ] || return
normal="https:${raw#*\"link\":\"https:}"; normal="${normal%%[\"]*}"
aux="$normal" # no direct link, i think it's based on User-Agent
@ -149,7 +155,8 @@ __notice_upload_to_at_oshi() {
# TODO: retrieve admin URL from response (suffixed with " [Admin]")
# NOTE: spaces are automatically converted (by the server) to underscores.
__notice_compute_form_limit "f" "${1##*/}" "${bytes:-0}" 5000000000 || return 128
raw="$(__notice_curl -F "f=@$1" -F expire=20160 "https://$target")" || return
__notice_escape "$1" '\\"'
raw="$(__notice_curl -F "f=@\"$REPLY\"" -F expire=20160 "https://$target")" || return
normal="https:${raw##*DL: http*:}"; normal="${normal%%[!!-~]*}"
aux="$normal"
}
@ -189,7 +196,8 @@ __notice_upload_to_at_x0() {
# 100 MiB files are kept for 3 days, and 0 byte files are kept for 100 days.
# filenames are randomized. cannot manually delete nor specify expiry.
__notice_compute_form_limit "file" "${1##*/}" "${bytes:-0}" 232783872 || return 128
raw="$(__notice_curl -F "file=@$1" "https://$target")" || return
__notice_escape "$1" '\\"'
raw="$(__notice_curl -F "file=@\"$REPLY\"" "https://$target")" || return
normal="$raw"
aux="$normal"
}
@ -200,7 +208,8 @@ __notice_upload_to_se_uguu() {
# filenames are randomized. cannot manually delete nor specify expiry.
# TODO: use fixed filename to squeeze a couple more bytes out of the limit?
__notice_compute_form_limit "files[]" "${1##*/}" "${bytes:-0}" 67108864 || return 128
raw="$(__notice_curl -F "files[]=@$1" "https://$target/upload?output=text")" || return
__notice_escape "$1" '\\"'
raw="$(__notice_curl -F "files[]=@\"$REPLY\"" "https://$target/upload?output=text")" || return
normal="$raw"
aux="$normal"
}
@ -211,7 +220,8 @@ __notice_upload_to_com_cockfile() {
# filenames are randomized. cannot manually delete nor specify expiry.
# must have a file extension or it gets rejected (415), so use `.bin`.
__notice_compute_form_limit "files[]" ".bin" "${bytes:-0}" 999999999 || return 128
raw="$(__notice_curl -F "files[]=@$1;filename=.bin" "https://$target/upload.php?output=text")" || return
__notice_escape "$1" '\\"'
raw="$(__notice_curl -F "files[]=@$\"$REPLY\";filename=.bin" "https://$target/upload.php?output=text")" || return
normal="$raw"
aux="$normal"
}
@ -223,7 +233,8 @@ __notice_upload_to_sh_envs() {
# you can delete files if you extract the X-Token field from the response HTTP headers.
# banned MIME types: application/java-archive, application/java-vm
__notice_compute_form_limit "file" "${1##*/}" "${bytes:-0}" 536870912 || return 128
raw="$(__notice_curl -F "file=@$1" -Fsecret= -Fexpires=336 "https://$target")" || return
__notice_escape "$1" '\\"'
raw="$(__notice_curl -F "file=@\"$REPLY\"" -Fsecret= -Fexpires=336 "https://$target")" || return
aux="$raw"
normal="$raw/${1##*/}"
}
@ -235,12 +246,13 @@ __notice_upload_to_moe_catbox_litterbox() {
# filenames are randomized. cannot manually delete nor specify expiry.
# SUPER fast. disallowed filetypes: .exe, .scr, .cpl, .doc*, .jar
__notice_compute_form_limit "fileToUpload" "${1##*/}" "${bytes:-0}" 1000000000 || return 128
__notice_escape "$1" '\\"'
if [ "${1%.exe}" != "$1" ] || [ "${1%.scr}" != "$1" ]; then
set -- "$1" "fileToUpload=@$1;filename=${1%.???}.com" # bypass
set -- "$1" "fileToUpload=@\"$REPLY\";filename=\"${REPLY%.???}.com\"" # bypass
elif [ "${1%.cpl}" != "$1" ]; then
set -- "$1" "fileToUpload=@$1;filename=${1%.???}.dll" # bypass
set -- "$1" "fileToUpload=@\"$REPLY\";filename=\"${REPLY%.???}.dll\"" # bypass
else
set -- "$1" "fileToUpload=@$1"
set -- "$1" "fileToUpload=@\"$REPLY\""
fi
raw="$(__notice_curl -F "$2" -Ftime=72h -Freqtype=fileupload "https://$target/resources/internals/api.php")" || return
normal="$raw"