base64 Base64编码/解码 (#215)

* 添加Base64编码/解码

base64.py

@@ -0,0 +1,39 @@
+from base64 import b64decode, b64encode
+from pagermaid import version
+from pagermaid.listener import listener
+from pagermaid.utils import attach_log, execute, alias_command, obtain_message
+
+@listener(outgoing=True, command=alias_command("b64e"),
+          description="将文本转为Base64"
+          ,parameters="<text>")
+async def b64e(context):
+    try:
+        msg = await obtain_message(context)
+    except:
+        return await context.edit("`出错了呜呜呜 ~ 无效的参数。`")
+
+    result = b64encode(msg.encode("utf-8")).decode("utf-8")
+
+    if result:
+        if len(result) > 4096:
+            return await attach_log(result, context.chat_id, "output.log", context.id)
+        await context.edit(f"`{result}`")
+
+
+@listener(outgoing=True, command=alias_command("b64d"),
+          description="将Base64转为文本"
+          ,parameters="<text>")
+async def b64d(context):
+    try:
+        msg = await obtain_message(context)
+    except:
+        return await context.edit("`出错了呜呜呜 ~ 无效的参数。`")
+    
+    try:
+        result = b64decode(msg).decode("utf-8")
+    except:
+        return await context.edit("`出错了呜呜呜 ~ 无效的参数。`")
+    if result:
+        if len(result) > 4096:
+            return await attach_log(result, context.chat_id, "output.log", context.id)
+        await context.edit(f"`{msg}` ==> `{result}`")

list.json

@@ -889,6 +889,16 @@
             "supported": true,
             "des-short": "查询英语单词/俚语的意思。",
             "des": "查询英语单词/俚语的意思。\n指令：-dictionary -urbandictionary"
+        },
+        {
+            "name": "base64",
+            "version": "1.00",
+            "section": "chat",
+            "maintainer": "zhxycn,xtaodada",
+            "size": "1.4 kb",
+            "supported": true,
+            "des-short": "Base64编码/解码。",
+            "des": "Base64编码/解码。\n指令：-b64e -b64d"
         }
     ]
 }