{"id":135375,"date":"2024-09-06T11:42:54","date_gmt":"2024-09-06T06:12:54","guid":{"rendered":"https:\/\/www.vskills.in\/certification\/tutorial\/?page_id=135375"},"modified":"2024-09-06T11:42:55","modified_gmt":"2024-09-06T06:12:55","slug":"using-custom-filters-to-obfuscate-email-addresses-in-logs","status":"publish","type":"page","link":"https:\/\/www.vskills.in\/certification\/tutorial\/using-custom-filters-to-obfuscate-email-addresses-in-logs\/","title":{"rendered":"Using Custom Filters to Obfuscate Email Addresses in Logs"},"content":{"rendered":"\n<p>When logging sensitive information such as email addresses, it&#8217;s important to protect user privacy by obfuscating or anonymizing the data. In this guide, we&#8217;ll demonstrate how to create a custom filter to obfuscate email addresses in your FastAPI application&#8217;s logs.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Creating a Custom Filter<\/strong><\/h2>\n\n\n\n<p><strong>Create a Custom Filter Class:<\/strong><\/p>\n\n\n\n<p>Python<\/p>\n\n\n\n<p>import logging<\/p>\n\n\n\n<p>class EmailObfuscationFilter(logging.Filter):<br>def filter(self, record):<br>if &#8217;email&#8217; in record.msg:<br>record.msg = record.msg.replace(record.msg.split(&#8216;@&#8217;)[0], &#8216;redacted&#8217;)<br>return True<\/p>\n\n\n\n<p>This filter checks if the log message contains the word &#8220;email.&#8221; If it does, it replaces the username portion of the email address with &#8220;redacted.&#8221; You can customize the obfuscation logic to suit your specific needs.<\/p>\n\n\n\n<p><strong>Add the Filter to a Logger:<\/strong><\/p>\n\n\n\n<p>Python<\/p>\n\n\n\n<p>logger = logging.getLogger(<strong>name<\/strong>)<br>logger.addFilter(EmailObfuscationFilter())<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Using the Filter in Endpoints<\/strong><\/h2>\n\n\n\n<p>Python<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>@app.get(\"\/users\/{user_id}\")\ndef read_user(user_id: int):\n    user = get_user(user_id)\n    logger.info(f\"Retrieved user: {user}\")\n    return user\n<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Additional Considerations<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Customizable Obfuscation:<\/strong> You can modify the obfuscation logic to suit your specific requirements. For example, you might want to replace the entire email address with a placeholder.<\/li>\n\n\n\n<li><strong>Multiple Filters:<\/strong> You can add multiple filters to a logger to apply different obfuscation rules.<\/li>\n\n\n\n<li><strong>Performance:<\/strong> Be mindful of the performance impact of custom filters, especially when dealing with large log volumes.<\/li>\n\n\n\n<li><strong>Other Sensitive Information:<\/strong> Consider creating filters to obfuscate other sensitive information such as phone numbers, credit card numbers, or personal identifiers.<\/li>\n<\/ul>\n\n\n\n<p>By using custom filters to obfuscate email addresses and other sensitive information, you can protect user privacy and comply with data protection regulations.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>When logging sensitive information such as email addresses, it&#8217;s important to protect user privacy by obfuscating or anonymizing the data. In this guide, we&#8217;ll demonstrate how to create a custom filter to obfuscate email addresses in your FastAPI application&#8217;s logs. Creating a Custom Filter Create a Custom Filter Class: Python import logging class EmailObfuscationFilter(logging.Filter):def filter(self,&#8230;<\/p>\n","protected":false},"author":16,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-135375","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Using Custom Filters to Obfuscate Email Addresses in Logs - Tutorial<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.vskills.in\/certification\/tutorial\/using-custom-filters-to-obfuscate-email-addresses-in-logs\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Using Custom Filters to Obfuscate Email Addresses in Logs - Tutorial\" \/>\n<meta property=\"og:description\" content=\"When logging sensitive information such as email addresses, it&#8217;s important to protect user privacy by obfuscating or anonymizing the data. 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