feat: add headers.json for specifying optional request headers (#2)

This PR replaces `key.txt` with `headers.json` which allows for optional request headers to be set.

Reviewed-on: https://codeberg.org/vlw/curl/pulls/2

.gitignore

@@ -1,4 +1,4 @@
-key.txt
 params.txt
+headers.json
 payload.json
 disable_peer_validation

README.md

@@ -1,22 +1,39 @@
 ![license](https://licensebuttons.net/p/zero/1.0/88x31.png)
 
-# A simple curl wrapper written in bash that can be used to make HTTP requests to API endpoints.
+# Simple curl bash wrapper
 
-![screenshot](https://href.vlw.se/0194ea19-faa6-77b5-8fe1-b1459a12ea84)
+<img src="https://blob.vlw.se/01/0199056d-d6fc-748b-adbb-269c8c5237ab.png">
 
-I use this script with windows set up like this in code-server.
+---
+
+**This is a very simple wrapper for curl that I use with VSCode (code-server) to make HTTP requests - like Postman but super simple.**
+
+VSCode is not required to run this script, I use it as a GUI.
 
 # Files
 This script uses separate files for various request options. Create these files in the same directory as `curl.sh`.
 
 ## `params.txt`
-URL search parameters.
+URL search parameters. (Leading "?" is optional)
+```
+foo=bar&hello=world
+```
 
-## `paylaod.json`
+## `payload.json`
 JSON request body that will be sent with all requests (except `GET`).
+```json
+{
+    "request_body_parameter": "request_body_value"
+}
+```
 
-## `key.txt`
-[HTTP Authentication Bearer Token](https://developer.mozilla.org/en-US/docs/Web/HTTP/Authentication)
+## `headers.json`
+Key-value JSON object of optional request headers.
+```json
+{
+    "X-Header-Name": "Header value"
+}
+```
 
 ## `disable_peer_validation`
 Optional empty file that when present will disable SSL peer validation - for self-signed certificates etc.

curl.sh

@@ -8,8 +8,8 @@ fi
 
 URL="$1"
 METHOD="$2"
-KEY_FILE="key.txt"
 PARAMS_FILE="params.txt"
+HEADERS_FILE="headers.json"
 PAYLOAD_FILE="payload.json"
 DISABLE_SSL_FILE="disable_peer_validation"
 
@@ -19,22 +19,24 @@ if [ -f $PARAMS_FILE ]; then
     URL="${URL}?${PARAMS}"
 fi
 
-# Check if the key file exists and read the Bearer token
-if [ -f $KEY_FILE ]; then
-    BEARER_TOKEN=$(<"$KEY_FILE")
-else
-    echo "Error: Bearer token file '$KEY_FILE' not found."
-    exit 1
-fi
-
 # Prepare the curl command
-CURL_CMD="curl -s -H \"Authorization: Bearer ${BEARER_TOKEN}\""
+CURL_CMD="curl -s"
 
 # Check if SSL peer validation should be disabled
 if [ -f $DISABLE_SSL_FILE ]; then
     CURL_CMD="$CURL_CMD -k"
 fi
 
+# Add headers from headers.json
+if [ -f $HEADERS_FILE ]; then
+    # Read headers from the JSON file
+    while IFS= read -r line; do
+        HEADER_NAME=$(echo "$line" | jq -r '.[keys[0]]')
+        HEADER_VALUE=$(echo "$line" | jq -r '.[keys[1]]')
+        CURL_CMD="$CURL_CMD -H \"$HEADER_NAME: $HEADER_VALUE\""
+    done < <(jq -c 'to_entries | .[]' "$HEADERS_FILE")
+fi
+
 # Add the request method and URL to the curl command
 CURL_CMD="$CURL_CMD -X $METHOD \"$URL\""