73 lines
1.5 KiB
Bash
Executable File
73 lines
1.5 KiB
Bash
Executable File
#!/bin/sh
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set -eu
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ROOT=$(CDPATH='' cd -- "$(dirname -- "$0")/.." && pwd)
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ENV_FILE="$ROOT/.env"
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if [ ! -f "$ENV_FILE" ]; then
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echo "Missing $ENV_FILE. Copy .env.example to .env first." >&2
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exit 1
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fi
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if ! command -v perl >/dev/null 2>&1; then
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echo "Required command is unavailable: perl" >&2
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exit 1
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fi
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set -a
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# shellcheck source=/dev/null
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. "$ENV_FILE"
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set +a
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if [ -n "${WNH_BASE_URL:-}" ]; then
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chmod 600 "$ENV_FILE"
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echo "WNH_BASE_URL already exists; no configuration was changed."
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exit 0
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fi
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: "${PHX_HOST:?PHX_HOST is missing from .env}"
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: "${PHX_SCHEME:?PHX_SCHEME is missing from .env}"
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: "${PHX_URL_PORT:?PHX_URL_PORT is missing from .env}"
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if [ "$PHX_SCHEME" != https ]; then
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echo "A public Android origin requires PHX_SCHEME=https." >&2
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exit 1
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fi
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case "$PHX_HOST" in
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"" | *[!A-Za-z0-9.-]*)
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echo "PHX_HOST is not a supported public DNS hostname." >&2
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exit 1
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;;
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esac
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case "$PHX_URL_PORT" in
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"" | *[!0-9]*)
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echo "PHX_URL_PORT must be a numeric HTTPS port." >&2
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exit 1
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;;
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esac
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if [ "$PHX_URL_PORT" = 443 ]; then
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public_origin="https://$PHX_HOST"
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else
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public_origin="https://$PHX_HOST:$PHX_URL_PORT"
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fi
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tmp_env=$(mktemp "${ENV_FILE}.public-origin.XXXXXX")
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trap 'rm -f "$tmp_env"' EXIT HUP INT TERM
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chmod 600 "$tmp_env"
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WNH_PUBLIC_ORIGIN=$public_origin perl -0pe '
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END {
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print "\nWNH_BASE_URL=$ENV{WNH_PUBLIC_ORIGIN}\n";
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}
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' "$ENV_FILE" >"$tmp_env"
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mv "$tmp_env" "$ENV_FILE"
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chmod 600 "$ENV_FILE"
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trap - EXIT HUP INT TERM
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unset public_origin
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echo "Configured WNH_BASE_URL from the existing HTTPS Phoenix origin."
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