Created
November 7, 2019 08:33
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Sending Encrypted Emails from Front-End/Static Sites
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| <html> | |
| <body> | |
| <form action=""> | |
| <input | |
| type="email" | |
| id="email" | |
| name="email" | |
| placeholder="[email protected]" | |
| /> | |
| <br /> | |
| <input type="text" id="name" name="name" placeholder="Abdus" /> <br /> | |
| <textarea | |
| name="message" | |
| id="message" | |
| cols="30" | |
| rows="10" | |
| placeholder="Your awesome message" | |
| ></textarea | |
| ><br /> | |
| <input type="submit" value="Encrypt and Send" /> | |
| </form> | |
| <script | |
| src="https://cdnjs.cloudflare.com/ajax/libs/openpgp/4.6.2/openpgp.min.js" | |
| integrity="sha256-txcrHjb7Yt1zrebRnGkk5OwDkoBrvJTjvJx5b7qBtWc=" | |
| crossorigin="anonymous" | |
| ></script> | |
| <script> | |
| const public_key = `-----BEGIN PGP PUBLIC KEY BLOCK----- | |
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| RtCabQ/RXmQWlHotRu0+MtynJCdFnnkctIHnxUBn3/8= | |
| =YccN | |
| -----END PGP PUBLIC KEY BLOCK----- | |
| `; | |
| async function encrypt(message) { | |
| const enc_message = await openpgp.encrypt({ | |
| message: openpgp.message.fromText(message), | |
| armor: true, | |
| publicKeys: (await openpgp.key.readArmored(public_key)).keys, | |
| }); | |
| sendMail(enc_message.data); | |
| } | |
| document.querySelector('form').addEventListener('submit', e => { | |
| // dom manipulation | |
| const sender = { | |
| name: document.querySelector('#name').value, | |
| email: document.querySelector('#email').value, | |
| message: document.querySelector('#message').value, | |
| }; | |
| // prevent page from reload on form submit | |
| e.preventDefault(); | |
| // finally call our encrypt function | |
| encrypt(`${sender.name} <${sender.email}> \n\n\n ${sender.message}`); | |
| }); | |
| function sendMail(encrypted_message) { | |
| fetch('https://formspree.io/xyyyywgd', { | |
| method: 'POST', | |
| mode: 'no-cors', | |
| body: JSON.stringify({ | |
| message: encrypted_message, | |
| }), | |
| }) | |
| .then(console.log) | |
| .catch(console.log); | |
| } | |
| </script> | |
| </body> | |
| </html> |
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