2022-03-29 15:03:23 +02:00
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#!/bin/bash -e
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# Upload a text file to a server through SSH so that it can be shared.
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# This script expects the server can serve files on the Web. Also expects curl.
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# It uses an HTML template instead of the raw text file because browsers
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# sometimes do not expect UTF-8 by default and this is always what I upload.
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#
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# You need to provide those 3 env variables:
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# - REMOTE_DEST: the SSH destination to reach
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# - REMOTE_WWW: the remote path where the HTML file will be stored
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# - REMOTE_URL: the URL of the directory to print; file name is appended
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usage() {
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echo "Usage: $0 text_file"
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echo "Upload a text file to a simple HTML template on a server."
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}
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[ $# -ne 1 ] && usage && exit
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# If a file exists at that path, it is sourced; you can put your env vars here.
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CONFIG_PATH="$HOME/.config/upload-text.conf"
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[ -f "$CONFIG_PATH" ] && . "$CONFIG_PATH"
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2022-06-01 10:34:28 +02:00
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# Check for our environment variables.
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if [ ! -v REMOTE_DEST ] || [ ! -v REMOTE_WWW ] || [ ! -v REMOTE_URL ]; then
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echo "You need to provide all the required environment variables."
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exit
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fi
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2022-03-29 15:03:23 +02:00
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# Generate a simple HTML page from the content.
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BASENAME="$(basename "$1")"
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HTML_FILE="$(mktemp)"
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cat << EOF > "$HTML_FILE"
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<!doctype html>
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<html>
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<head>
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<meta charset="UTF-8">
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<title>$BASENAME</title>
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<style>
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body { max-width: 40em; }
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</style>
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</head>
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<body>
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2022-03-31 12:44:08 +02:00
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<pre>
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2022-03-29 15:03:23 +02:00
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$(cat "$1")
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2022-03-31 12:44:08 +02:00
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</pre>
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2022-03-29 15:03:23 +02:00
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</body>
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</html>
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EOF
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# Upload the HTML file through SSH. Using SSH rather than SCP allows us to write
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# the file in one connection while setting appropriate rights.
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REMOTE_FILE="$(mktemp -u -p "$REMOTE_WWW" XXXXXXXXXX.html)"
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cat "$HTML_FILE" | ssh -q "$REMOTE_DEST" "umask 027; cat > '$REMOTE_FILE'"
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rm "$HTML_FILE"
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# Show the remote file path.
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echo "$REMOTE_URL/$(basename "$REMOTE_FILE")"
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