Sergei Poljanski
5860cbee9a
Everything was hardcoded for one deployment: hostname in mail subjects, recipient address, log path, and a router name of "forgejo@docker" that also appeared inside the user-agent regex. That last one fails silently rather than loudly - on any instance whose Traefik router is named something else, the regex matches nothing, every user-agent is dropped, and the report claims zero bot traffic instead of erroring. Move configuration to environment variables read from /etc/crawler-alert.env, with defaults that suit a plain Traefik host. Only CRAWLER_RECIPIENT is required, and the script now refuses to run without it rather than mailing into the void. Anchor the user-agent regex on the request counter instead of the router name. SMTP can now be configured directly via CRAWLER_SMTP_*, so the tool no longer requires Forgejo in Docker; borrowing credentials from app.ini stays the default since it avoids a second copy of the password. Unauthenticated and non-TLS local relays are handled. Document the Traefik access log configuration in traefik-accesslog.yml. This is the one real prerequisite: Traefik drops all headers by default, so without an explicit User-Agent: keep there is nothing to analyse. Includes the field layout the parser expects, logrotate config, and the forwardedHeaders setup needed to recover real client IPs from behind Cloudflare. Rewrite README for someone arriving without context, and add a 0BSD LICENSE so the code can actually be reused. Assisted-by: Claude:opus-5
12 lines
660 B
Text
12 lines
660 B
Text
Copyright (C) 2026 by Sergei Poljanski <me@asxp.io>
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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