From 3dde41413b94027739695e85e0f7d77288c657b2 Mon Sep 17 00:00:00 2001
From: Yourstruggle11 <sensouvik51@gmail.com>
Date: Fri, 7 Oct 2022 12:29:29 +0530
Subject: [PATCH 1/3] =?UTF-8?q?`feat`:=20Added=20a=20`utility`=20func=20to?=
 =?UTF-8?q?=20conver=20`form=20data`=20to=20`json`=20=F0=9F=8E=8A?=
 =?UTF-8?q?=F0=9F=8E=8A?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 formDataToJson.js | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 formDataToJson.js

diff --git a/formDataToJson.js b/formDataToJson.js
new file mode 100644
index 0000000..9b4250e
--- /dev/null
+++ b/formDataToJson.js
@@ -0,0 +1,22 @@
+function fromDataToJson(formData) {
+    const data = {};
+
+    for (const [key, value] of formData.entries()) {
+        if (Object.prototype.hasOwnProperty.call(data, key)) {
+            const oldValue = data[key];
+            if (!Array.isArray(data[key])) {
+                data[key] = [];
+                data[key].push(oldValue);
+            }
+
+            data[key].push(value);
+
+            continue;
+        }
+
+        data[key] = value;
+    }
+
+    return data;
+}
+

From 6b58f78fd828bff3651299bb017f25780877381f Mon Sep 17 00:00:00 2001
From: Souvik Sen <82510209+Yourstruggle11@users.noreply.github.com>
Date: Tue, 3 Oct 2023 03:23:28 +0530
Subject: [PATCH 2/3] Create string_to_base64

---
 string_to_base64 | 55 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 string_to_base64

diff --git a/string_to_base64 b/string_to_base64
new file mode 100644
index 0000000..8a4018c
--- /dev/null
+++ b/string_to_base64
@@ -0,0 +1,55 @@
+def string_to_base64(input_string):
+    """
+    Convert a string to its Base64 representation without using external packages.
+
+    Args:
+        input_string (str): The input string to be converted.
+
+    Returns:
+        str: The Base64-encoded representation of the input string.
+    """
+    # Define the Base64 character mapping
+    base64_chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"
+
+    # Initialize variables
+    result = []
+    current_bits = 0
+    num_bits = 0
+
+    # Convert the input string to bytes
+    bytes_data = input_string.encode('utf-8')
+
+    # Iterate through each byte in the input data
+    for byte in bytes_data:
+        # Shift the current_bits left by 8 bits and add the new byte
+        current_bits = (current_bits << 8) | byte
+        num_bits += 8
+
+        # While we have at least 6 bits, extract and encode them
+        while num_bits >= 6:
+            num_bits -= 6
+            # Extract the top 6 bits
+            index = (current_bits >> num_bits) & 0x3F
+            result.append(base64_chars[index])
+
+    # Handle any remaining bits (less than 6 bits)
+    if num_bits > 0:
+        # Pad with zeros to make a multiple of 6 bits
+        current_bits <<= 6 - num_bits
+        index = current_bits & 0x3F
+        result.append(base64_chars[index])
+
+    # Add padding '=' characters if necessary
+    while len(result) % 4 != 0:
+        result.append('=')
+
+    # Join the Base64 characters to form the final encoded string
+    base64_data = ''.join(result)
+
+    return base64_data
+
+# Example usage:
+if __name__ == "__main__":
+    input_string = "Hello, this is a string to be encoded in Base64."
+    base64_result = string_to_base64(input_string)
+    print("Base64 Encoded String:", base64_result)

From 3ccd8c550fa61fe5132204f80df21ee2a85c7a67 Mon Sep 17 00:00:00 2001
From: Souvik Sen <82510209+Yourstruggle11@users.noreply.github.com>
Date: Tue, 3 Oct 2023 03:28:20 +0530
Subject: [PATCH 3/3] Update code with regex

---
 string_to_base64 | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/string_to_base64 b/string_to_base64
index 8a4018c..d83ec6d 100644
--- a/string_to_base64
+++ b/string_to_base64
@@ -11,15 +11,18 @@ def string_to_base64(input_string):
     # Define the Base64 character mapping
     base64_chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"
 
+    # Filter out non-alphanumeric characters and whitespace
+    filtered_string = ''.join(char for char in input_string if char.isalnum() or char.isspace())
+
     # Initialize variables
     result = []
     current_bits = 0
     num_bits = 0
 
-    # Convert the input string to bytes
-    bytes_data = input_string.encode('utf-8')
+    # Convert the filtered input string to bytes
+    bytes_data = filtered_string.encode('utf-8')
 
-    # Iterate through each byte in the input data
+    # Iterate through each byte in the filtered input data
     for byte in bytes_data:
         # Shift the current_bits left by 8 bits and add the new byte
         current_bits = (current_bits << 8) | byte
@@ -50,6 +53,6 @@ def string_to_base64(input_string):
 
 # Example usage:
 if __name__ == "__main__":
-    input_string = "Hello, this is a string to be encoded in Base64."
+    input_string = "Hello, this is a string to be encoded in Base64. #$%^"
     base64_result = string_to_base64(input_string)
     print("Base64 Encoded String:", base64_result)