option for defining fonts for captchas

configs/main.js.example

@@ -39,7 +39,8 @@ module.exports = {
 			min: 3,
 			max: 5
 		},
-		paintAmount: 2
+		paintAmount: 2,
+		fontPaths: [], //optional list of file paths to fonts for captchas
 	},
 
 	/* dnsbl, will add a small delay for uncached requests. You could also install some 
@@ -64,6 +65,10 @@ module.exports = {
 		its not recommended to change this setting after initial setup */
 	ipHashMode: 1,
 
+	/* delete files immediately rather than pruning later. usually disabled to prevent re-thumbnailing and processing commonly
+		uploaded files, but deleting immediately is better if you are concerned about "deleted" content not being immediately removed */
+	pruneImmediately: false,
+
 	//cache templates in memory. disable only if editing templates and doing dev work
 	cacheTemplates: true,
 
@@ -126,10 +131,6 @@ module.exports = {
 		regex=custom regex of what to replace e.g. /[^\w\s-]+/g */
 	filterFileNames: false,
 
-	/* delete files immediately rather than pruning later. usually disabled to prevent re-thumbnailing and processing commonly
-		uploaded files, but deleting immediately is better if you are concerned about "deleted" content not being immediately removed */
-	pruneImmediately: false,
-
 	//options for code block highlighting in posts
 	highlightOptions: {
 
@@ -262,6 +263,6 @@ module.exports = {
 			audio: true,
 			other: false
 		}
-	}
+	},
 
-}
+};

helpers/captcha/captchagenerate.js

@@ -53,6 +53,9 @@ module.exports = async () => {
 		const captcha = gm(width,height,'#ffffff')
 		.fill('#000000')
 		.fontSize(65);
+		if (captchaOptions.fontPaths && captchaOptions.fontPaths.length > 0) {
+			captcha.font(captchaOptions.fontPaths[Math.floor(Math.random() * captchaOptions.fontPaths.length)]);
+		}
 		const startX = (width-totalWidth(text))/2;
 		let charX = startX;
 		for (let i = 0; i < 6; i++) {