fix: API calls throwing internal server errors

Author: Ajit Kumar

src/lib/acode.js

@@ -658,6 +658,9 @@ class Acode {
 										const purchase = await getPurchase(product.productId);
 										await fetch(Url.join(config.API_BASE, "plugin/order"), {
 											method: "POST",
+											headers: {
+												"Content-Type": "application/json",
+											},
 											body: JSON.stringify({
 												id: remotePlugin.id,
 												token: purchase?.purchaseToken,

src/lib/installPlugin.js

@@ -470,6 +470,9 @@ async function resolveDep(manifest) {
 			const purchase = await getPurchase(product.productId);
 			await fetch(Url.join(config.API_BASE, "plugin/order"), {
 				method: "POST",
+				headers: {
+					"Content-Type": "application/json",
+				},
 				body: JSON.stringify({
 					id: manifest.id,
 					token: purchase?.purchaseToken,

src/pages/plugin/plugin.js

@@ -323,6 +323,9 @@ export default async function PluginInclude(
 				const purchase = await getPurchase(product.productId);
 				await fetch(Url.join(config.API_BASE, "plugin/order"), {
 					method: "POST",
+					headers: {
+						"Content-Type": "application/json",
+					},
 					body: JSON.stringify({
 						id: plugin.id,
 						token: purchase?.purchaseToken,
@@ -382,6 +385,9 @@ export default async function PluginInclude(
 			$button.textContent = strings["loading..."];
 			const res = await fetch(Url.join(config.API_BASE, "plugin/refund"), {
 				method: "POST",
+				headers: {
+					"Content-Type": "application/json",
+				},
 				body: JSON.stringify({
 					id: plugin.id,
 					package: BuildInfo.packageName,

src/pages/sponsor/sponsor.js

@@ -85,6 +85,9 @@ export default function Sponsor(onclose) {
 					try {
 						const res = await fetch(`${config.API_BASE}/sponsor`, {
 							method: "POST",
+							headers: {
+								"Content-Type": "application/json",
+							},
 							body: JSON.stringify({
 								...sponsorDetails,
 								tier: productId,