Decipher and comprehend the buttons listed in the language translation document

Looking for assistance with a pipe issue. I've created the following custom SafeHtmlPipe:

import { DomSanitizer } from '@angular/platform-browser';
import { Pipe, PipeTransform, SecurityContext } from '@angular/core';

@Pipe({ name: 'safeHtml'})
export class SafeHtmlPipe implements PipeTransform {
    constructor(private dom: DomSanitizer) {}
    transform(value) {
        return this.dom.sanitize(SecurityContext.HTML, value);
    }
}

In my HTML file, I'm using the pipe like this:

<mat-dialog-content>
    <div [innerHtml]="bodyContent | safeHtml"></div>
</mat-dialog-content>

In the corresponding .ts file, I set the body content as follows:

dialogRef.componentInstance.bodyContent = this.translateService.instant('dialog.upgrade_package_requested',
{
   context: `${this.translateService.instant('dialog.context')}`,
   name: `Yuhu`
});

This is what my translation key looks like in the translation file :

"upgrade_package_requested": "<p> Yuhuu <b>{{context}}</b>.<br /> Name <b>{{name}}</b>.</p><button mat-flat-button>Test</button>",

The result displays an image instead of interpreting the button as a clickable element. Any suggestions on how to fix this? Thank you for your help!

Answer №1

When it comes to securing your code, opt for the bypassSecurityTrustHtml method provided by DomSanitizer instead of using sanitize. This is especially crucial when dealing with potentially unsafe elements like the button.

For example:

transform(value) {
        return this.dom.bypassSecurityTrustHtml(value);
    }

Take a look at this StackBlitz snippet for reference.

Note: Keep in mind that utilizing bypassSecurityTrustHtml comes with a warning. According to Angular documentation -

Using any of the bypassSecurityTrust... APIs will disable Angular's default sanitization for the provided value. It is essential to thoroughly review and secure all values and code paths being passed into this function. Ensure that any user input is appropriately sanitized before using it in this security context.

For further clarification, refer to the official documentation.

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