InitialHEADmaster

1 files changed, 46 insertions, 0 deletions

diff --git a/functions.sh b/functions.sh
new file mode 100644
index 0000000..2c21a41
--- /dev/null
+++ b/functions.sh
@@ -0,0 +1,46 @@
+# This file is meant to be `source`d.
+
+function read_vars() {
+  local key value
+  while read -r line; do
+    key=${line%%=*}
+    value=${line#*=}
+    if   [[ $key = ip ]]; then bridge_ip=$value
+    elif [[ $key = bridgeid ]]; then bridge_id=$value
+    elif [[ $key = username ]]; then bridge_username=$value
+    fi
+  done <my_bridge.txt
+}
+
+# arguments:
+# - API v2 path: "resource/light" for /clip/v2/resource/light
+# - (optional) HTTP method (default GET)
+# - (optional) data to send as HTTP body
+function hue_request() {
+  local path=$1 method=GET body=''
+  [[ -z $path ]] && { echo >&2 "functions.sh(hue_request): path required"; exit 1; }
+  [[ $# -ge 2 ]] && method=$2
+  [[ $# -ge 3 ]] && body=$3
+  [[ $# -ge 4 ]] && { echo >&2 "functions.sh(hue_request): too many arguments"; exit 1; }
+
+  local data_args=()
+  if [[ -n $body ]]; then
+    data_args=( -d "$body" )
+  fi
+
+  json=$(
+    curl -s --cacert signify_root_cert.pem \
+         --resolve "$bridge_id:443:$bridge_ip" -H "hue-application-key: $bridge_username" \
+         -X "$method" "${data_args[@]}" \
+         https://"$bridge_id"/clip/v2/"$path"
+  )
+
+  errors=$(jq -r 'if has("errors") then .errors.[] | "- " + .description else empty end' <<<"$json")
+  if [[ -n $errors ]]; then
+    echo >&2 "Errors from Hue bridge:"
+    echo >&2 "$errors"
+    exit 1
+  fi
+
+  echo "$json"
+}