1 files changed, 32 insertions, 0 deletions
diff --git a/mitmproxy/contentviews/json.py b/mitmproxy/contentviews/json.py
new file mode 100644
index 00000000..7c128d02
--- /dev/null
+++ b/mitmproxy/contentviews/json.py
@@ -0,0 +1,32 @@
+import json
+from typing import Optional
+
+from mitmproxy.contentviews.base import format_text, View
+
+
+def pretty_json(s: bytes) -> Optional[bytes]:
+    try:
+        p = json.loads(s.decode('utf-8'))
+    except ValueError:
+        return None
+    pretty = json.dumps(p, sort_keys=True, indent=4, ensure_ascii=False)
+    if isinstance(pretty, str):
+        # json.dumps _may_ decide to return unicode, if the JSON object is not ascii.
+        # From limited testing this is always valid utf8 (otherwise json.loads will fail earlier),
+        # so we can just re-encode it here.
+        return pretty.encode("utf8", "strict")
+    return pretty
+
+
+class ViewJSON(View):
+    name = "JSON"
+    prompt = ("json", "s")
+    content_types = [
+        "application/json",
+        "application/vnd.api+json"
+    ]
+
+    def __call__(self, data, **metadata):
+        pj = pretty_json(data)
+        if pj:
+            return "JSON", format_text(pj)