From acc4ab5a45cbd5b243c4e97ef6a34cf8dd583e50 Mon Sep 17 00:00:00 2001 From: JustAnotherArchivist Date: Sun, 26 Mar 2023 04:02:26 +0000 Subject: [PATCH] Initial commit --- Dockerfile | 9 + LICENSE | 674 +++++++++++++++++++++++++++++++++++++++++++++++ README.md | 20 ++ codearchiver-bot | 263 ++++++++++++++++++ 4 files changed, 966 insertions(+) create mode 100644 Dockerfile create mode 100644 LICENSE create mode 100644 README.md create mode 100755 codearchiver-bot diff --git a/Dockerfile b/Dockerfile new file mode 100644 index 0000000..82bd366 --- /dev/null +++ b/Dockerfile @@ -0,0 +1,9 @@ +FROM python:3.11-alpine +COPY codearchiver-bot /app/codearchiver-bot +RUN apk add --no-cache bash coreutils curl git sed zstd +RUN git clone https://gitea.arpa.li/JustAnotherArchivist/little-things.git /app/little-things/ +RUN pip install --no-cache-dir codearchiver +VOLUME /data +WORKDIR /data +ENV PATH="/app/little-things:${PATH}" +CMD /app/codearchiver-bot diff --git a/LICENSE b/LICENSE new file mode 100644 index 0000000..f288702 --- /dev/null +++ b/LICENSE @@ -0,0 +1,674 @@ + GNU GENERAL PUBLIC LICENSE + Version 3, 29 June 2007 + + Copyright (C) 2007 Free Software Foundation, Inc. + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The GNU General Public License is a free, copyleft license for +software and other kinds of works. + + The licenses for most software and other practical works are designed +to take away your freedom to share and change the works. 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If not, see . + +Also add information on how to contact you by electronic and paper mail. + + If the program does terminal interaction, make it output a short +notice like this when it starts in an interactive mode: + + Copyright (C) + This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. + This is free software, and you are welcome to redistribute it + under certain conditions; type `show c' for details. + +The hypothetical commands `show w' and `show c' should show the appropriate +parts of the General Public License. Of course, your program's commands +might be different; for a GUI interface, you would use an "about box". + + You should also get your employer (if you work as a programmer) or school, +if any, to sign a "copyright disclaimer" for the program, if necessary. +For more information on this, and how to apply and follow the GNU GPL, see +. + + The GNU General Public License does not permit incorporating your program +into proprietary programs. If your program is a subroutine library, you +may consider it more useful to permit linking proprietary applications with +the library. If this is what you want to do, use the GNU Lesser General +Public License instead of this License. But first, please read +. diff --git a/README.md b/README.md new file mode 100644 index 0000000..25bc655 --- /dev/null +++ b/README.md @@ -0,0 +1,20 @@ +# codearchiver-bot +An IRC bot to drive codearchiver. It takes commands on an IRC channel (via http2irc), runs codearchiver, and uploads its results to the Internet Archive. + +## Configuration +Configuration happens via environment variables: + +* `HTTP2IRC_GET_URL` and `HTTP2IRC_POST_URL`: GET/POST URLs for IRC channel interaction +* `IA_S3_ACCESS` and `IA_S3_SECRET`: authentication for IA +* `CODEARCHIVER_BOT_TEST` (optional): enables test mode when set to any non-empty value, with uploads going into items prefixed with `test_` and placed into `test_collection`. + +The data produced by `codearchiver-bot` must be kept in its working directory for correct deduplication. However, there's nothing unique there; all data is uploaded to IA continuously, and operation can be restored from there by downloading all `*_codearchiver_metadata.txt` files and creating placeholders (e.g. symlinks to `.uploaded` as the script does by default) for everything else. + +A `Dockerfile` is provided for convenience. A volume should be mounted to `/data` to keep data beyond container replacements etc. + +## License +This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. + +This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with this program. If not, see . diff --git a/codearchiver-bot b/codearchiver-bot new file mode 100755 index 0000000..23580f2 --- /dev/null +++ b/codearchiver-bot @@ -0,0 +1,263 @@ +#!/bin/bash +export TZ=UTC + +envvars=(HTTP2IRC_GET_URL HTTP2IRC_POST_URL IA_S3_ACCESS IA_S3_SECRET) +for envvar in "${envvars[@]}"; do + if [[ ! -v "${envvar}" ]]; then + { printf 'Error: one or more of the required environment variables (%s' "${envvars[0]}"; printf ', %s' "${envvars[@]:1}"; printf ') missing\n'; } >&2 + exit 1 + fi +done + +for dep in awk codearchiver curl ia-upload-stream python3 sha256sum tee zstd; do + if ! command -v "${dep}" &>/dev/null; then + printf 'Error: %s not found\n' "${dep}" >&2 + exit 1 + fi +done + +function log { + printf '%s %s\n' "${EPOCHREALTIME}" "$1" >&2 +} + +function log_loop { + prefix="$1" + # If the output does not end with a LF, add one. Then replace CRLF with LF and replace remaining CR with LF. + { lastchar="$(tee /dev/fd/3 | tail -c 1 | xxd -p)"; if [[ "${lastchar}" != '0a' ]]; then printf '\n'; fi } 3>&1 | + sed -u 's,\r$,,; s,\r,\n,g' | + while IFS= read -r line; do log "${prefix}${line}"; done +} + +function send { + local message="$1" + log "Sending message: ${message}" + curl --silent --verbose --max-time 10 --data "${message}" "${HTTP2IRC_POST_URL}" 2> >(log_loop 'curl http2irc POST: ') | log_loop 'http2irc POST response: ' +} + +function respond { + local nick="$1" + local message="$2" + send "${nick}: ${message}" +} + +{ # Group the pipeline without requiring a backslash every time + while :; do + # Read from http2irc + log 'Starting http2irc GET stream...' + curl --silent --verbose --no-buffer "${HTTP2IRC_GET_URL}" 2> >(log_loop 'curl http2irc GET: ') + printf '\n' # Ensure that there's a trailing LF for `read` + done | + + # Log all raw input + tee >(log_loop 'Received http2irc line: ') | + + # Transform the JSONL data into a more suitable format for the following: lines of 'modes SP nick SP message' + python3 -u -c 'import json, sys'$'\n''def json_parse_or_none(s):'$'\n'' try: return json.loads(s)'$'\n'' except json.JSONDecodeError as e:'$'\n'' print(f"Could not parse {s[:100]}…: {type(e).__name__}: {e!s}")'$'\n''{print(o["user"]["modes"] or "_", o["user"]["nick"], o["message"]) for o in map(json_parse_or_none, sys.stdin) if o and o.get("command") == "PRIVMSG"}' | + + # For valid bot commands with adequate permissions, assign a job ID and respond. Suppress everything else. Print lines of 'jobid SP nick SP URL' for the processing below. + while read -r modes nick message; do + if [[ "${message}" == '!help' ]]; then + respond "${nick}" '`!a URL`: archives a single repository' + respond "${nick}" '`!a < URL`: archives a list of repositories (no success/failure report, no warnings/errors report, check logs manually!)' + continue + fi + if [[ "${message}" != '!a '* ]]; then + continue + fi + if [[ "${modes}" != *[@+]* ]]; then + respond "${nick}" 'Only voiced or opped users may use this command.' + continue + fi + if [[ "${message}" =~ ^'!a '([a-z-]+\+)?[a-z]+://[^\ ]+$ ]]; then + # Individual job + jobs=("${message:3}") + src="${message:3}" + elif [[ "${message}" =~ ^'!a < 'https://transfer\.archivete\.am/[a-zA-Z0-9]+/.+$ ]]; then + # List job + jobs=() + url="${message:5}" + bad= + log "Retrieving list job list: ${url}" + while read -r line; do + if [[ "${line}" =~ ^'!a '([a-z-]+\+)?[a-z]+://[^\ ]+$ ]]; then + jobs+=("${line}") + elif [[ "${line}" == '' ]]; then + # Ignore empty lines + continue + else + respond "${nick}" "Malformed line in ${url}: ${line}" + bad=1 + break + fi + done < <({ curl --silent --verbose --fail --max-time 10 "${message:5}" 2> >(log_loop 'curl list job: '); printf '\n'; } | tee >(log_loop 'List input line: ')) + if [[ "${bad}" ]]; then + continue + fi + src="${url}" + else + respond "${nick}" "I don't understand your command. Please forgive me." + continue + fi + read -r jobid >(tee "${logname}" | grep -Fv -e ' INFO ' -e ' DEBUG ' | log_loop "From codearchiver ${singlejobid}: ") + status="$?" + log "codearchiver ${url} finished with status code ${status}" + statuscodes+=("${status}") + #TODO Integrate this into the pipe from codearchiver above to avoid rereading the entire log file + declare -i badcount=$(awk '! ($3 ~ /^(DEBUG|INFO)$/) { cnt += 1; } END { printf "%d\n", cnt; }' "${logname}") + + # Compress log file with zstd -19 + log "Compressing log file ${logname}" + zstd -19 --rm "${logname}" 2> >(log_loop 'zstd err: ') + if [[ -e "${logname}.zst" && ! -e "${logname}" ]]; then + # Compression successful + logname="${logname}.zst" + fi + + # Collect new files, write artefacts file, move everything but the log file to ./failed/ if codearchiver exited non-zero + readarray -d $'\0' -t tmpnewfiles < <(find -maxdepth 1 -type f -newer '.filemarker' -print0 2> >(log_loop 'find new files err: ') | sed 's,^\./,,') + readarray -d $'\0' -t artefacts < <(for file in "${tmpnewfiles[@]}"; do if [[ "${file}" != "${logname}" ]]; then printf '%s\0' "${file}"; fi; done) + artefactsname="${logbasename}_codearchiver_artefacts.txt" + for file in "${artefacts[@]}"; do + printf '%s\n' "${file}" + done >"${artefactsname}" + if [[ "${status}" -ne 0 ]]; then + msg="$(printf 'Moving artefact files'; printf ' %q' "${artefacts[@]}" "${artefactsname}"; printf ' from non-zero exit for job %s to ./failed/\n' "${singlejobid}";)" + log "${msg}" + mkdir --parents ./failed/ + mv --verbose -- "${artefacts[@]}" "${artefactsname}" ./failed/ 2> >(log_loop 'mv err: ') | log_loop 'mv out: ' + newfiles+=("${logname}") + newfilejobindices+=("${i}") + else + for file in "${tmpnewfiles[@]}"; do + log "New file from job ${singlejobid}: ${file}" + newfiles+=("${file}") + newfilejobindices+=("${i}") + done + newfiles+=("${artefactsname}") + newfilejobindices+=("${i}") + fi + + # For individual jobs, tell the user about warnings and success/failure + if [[ "${singlejobid}" != *_* ]]; then + if [[ "${status}" -eq 0 ]]; then + respond "${nick}" "Job ${singlejobid} succeeded." + else + respond "${nick}" "Job ${singlejobid} failed." + fi + + if [[ ${badcount} -gt 0 ]]; then + respond "${nick}" "Job ${singlejobid} produced ${badcount} warnings or errors." + fi + fi + done + + # Record SHA-256 hashes for new files + log "SHA-256 hashes:" + sha256sum "${newfiles[@]}" > >(log_loop 'sha256sum: ') + + # Upload + date="$(date '+%Y-%m-%d')" + identifier="codearchiver_${date//-/}" + if [[ -z "${CODEARCHIVER_BOT_TEST}" ]]; then + collection='archiveteam_codearchiver' + else + identifier="test_${identifier}" + collection='test_collection' + fi + uploadsfine=y + for f in "${newfiles[@]}"; do + ia-upload-stream --no-derive "${identifier}" "${f}" \ + "collection:${collection}" \ + 'mediatype:software' \ + "date:${date}" \ + <"${f}" 2> >(log_loop 'ia-upload-stream: ') + status="$?" + if [[ "${status}" -ne 0 ]]; then + log "Upload failed: exit status ${status}" + if [[ "${uploadsfine}" ]]; then + send "Upload failed: exit status ${status}" + fi + uploadsfine= + fi + done + + if [[ "${uploadsfine}" ]]; then + # Wait until all tasks for the item are done + while :; do + tasks="$(python3 -c 'import json, sys; o = json.load(sys.stdin); print(sum(o["value"]["summary"].values()))' < <({ curl --silent --verbose --fail --max-time 10 --header "Authorization: LOW ${IA_S3_ACCESS}:${IA_S3_SECRET}" "https://archive.org/services/tasks.php?identifier=${identifier}&summary=1&history=0" 2> >(log_loop 'curl IA tasks err: '); } | tee >(log_loop 'curl IA tasks out: ')))" + if [[ "${tasks}" == '0' ]]; then + break + fi + sleep 60 + done + + # Replace non-metadata files with a symlink to .uploaded dummy file + touch '.uploaded' + for f in "${newfiles[@]}"; do + if [[ "${f}" != *_codearchiver_metadata.txt ]]; then + log "Replacing ${f} with symlink to .uploaded" + { rm --verbose -- "${f}" && ln --symbolic --verbose '.uploaded' "${f}"; } |& log_loop 'rm/ln: ' + fi + done + fi + done +}