Kind of working API I guess?

2 files changed, 69 insertions, 17 deletions

diff --git a/src/APIv1.py b/src/APIv1.py
index 6c41b35..a3254aa 100644
--- a/src/APIv1.py
+++ b/src/APIv1.py
@@ -1,9 +1,64 @@
 import random
-from src.socks import *
 from ssl import SSLSocket
 from src.request import Request
 
 
+API_FILE_RANDOM_MIN_SIZE_LIMIT = 1
+API_FILE_RANDOM_MAX_SIZE_LIMIT = 2**30 * 2
+
+
+def random_data_gen(size: int) -> bytes:
+    """
+    Generates SIZE bytes of random data in 64kib chunks
+    :param size: bytes to generate
+    :return: random bytes
+    """
+
+    data = bytearray()
+    int_size = size // 65536
+    for _ in range(int_size):
+        data += random.randbytes(65536)
+    data += random.randbytes((int_size * 65536) - size)
+
+    return data
+
+
+def decode_size(size: str) -> int:
+    """
+    Decodes size string like '128mib' and converts it to int size in bytes
+    :param size: size string
+    :return: number of bytes
+    """
+
+    # split string into number and size modifier
+    int_string = ""
+    size_modifier = ""
+    integer = True
+    for char in size:
+        if not char.isdigit():
+            integer = False
+        if integer:
+            int_string += char
+        else:
+            size_modifier += char
+    size = int(int_string)
+
+    # multiply size by size modifier
+    match size_modifier:
+        case "b":  # bytes
+            pass
+        case "kib":  # kibibytes
+            size *= 2**10
+        case "mib":  # mebibytes
+            size *= 2**20
+        case "gib":  # gibibytes
+            size *= 2**30
+        case _:
+            pass
+
+    return size
+
+
 async def respond(client: SSLSocket, request: Request) -> tuple[int, bytes]:
     """
     Respond to clients API request
@@ -12,22 +67,20 @@ async def respond(client: SSLSocket, request: Request) -> tuple[int, bytes]:
     # decode API request
     split_path = request.path.split("/")
     api_level1 = split_path[2]
-    api_level2 = split_path[3]
-    api_request = split_path[4]
+    api_request = split_path[3]
 
     # do something with it (oh god)
     if api_level1 == "file":
-        if api_level2 == "generated":
-            if api_request == "1gib":
-                return 200, random.randbytes(2**27) * 8
-            elif api_request == "5gib":
-                return 200, random.randbytes(2**27) * 25
-            elif api_request == "10gib":
-                return 200, random.randbytes(2**27) * 80
-            elif api_request == "20gib":
-                return 200, random.randbytes(2**27) * 160
-            else:
+        if api_request == "random":
+            # get size
+            size_str = request.path_args.get("size", "16mib")
+            size = decode_size(size_str)
+
+            # check size
+            if size < API_FILE_RANDOM_MIN_SIZE_LIMIT or size > API_FILE_RANDOM_MAX_SIZE_LIMIT:
                 return 400, b''
+
+            return 200, random_data_gen(size)
         else:
             return 400, b''
     else:
diff --git a/www/test.html b/www/test.html
index e3befbf..f7b7b27 100644
--- a/www/test.html
+++ b/www/test.html
@@ -12,10 +12,9 @@
     <div id="section-div">
         <section>
             <h1> File download test </h1>
-            <p> <a href="/APIv1/file/generated/1gib" target="_blank">Download 1 GiB file</a> </p>
-            <p> <a href="/APIv1/file/generated/5gib" target="_blank">Download 5 GiB file</a> </p>
-            <p> <a href="/APIv1/file/generated/10gib" target="_blank">Download 10 GiB file</a> </p>
-            <p> <a href="/APIv1/file/generated/20gib" target="_blank">Download 20 GiB file</a> </p>
+            <p> <a href="/APIv1/file/random?size=128mib" target="_blank">Download 128 MiB file</a> </p>
+            <p> <a href="/APIv1/file/random?size=512mib" target="_blank">Download 512 MiB file</a> </p>
+            <p> <a href="/APIv1/file/random?size=1gib" target="_blank">Download 1 GiB file</a> </p>
         </section>
     </div>
     <footer>