105 lines
2.8 KiB
Python
105 lines
2.8 KiB
Python
import base64
|
|
import binascii
|
|
import json
|
|
import os
|
|
import sys
|
|
|
|
|
|
def decode_if_b64(raw):
|
|
"""
|
|
Decode a string if it's base 64
|
|
:param raw: original bytes
|
|
:return: True, decoded_result or False, Orignal bytes
|
|
"""
|
|
success = False
|
|
result = raw
|
|
try:
|
|
if isinstance(raw, str):
|
|
result = base64.decodebytes(bytes(raw, 'utf-8'))
|
|
success = True
|
|
except binascii.Error:
|
|
success = False
|
|
|
|
#if success: # result_bytes = b'xxxx\xx'
|
|
#print('===================Start==================================')
|
|
#print(raw)
|
|
#print(result)
|
|
#print('=====================End===================================')
|
|
return success, result
|
|
|
|
|
|
def check_tree(tree, prefix, f_write):
|
|
"""
|
|
Print the tree recursively with given path prefix
|
|
:param tree: the tree to check
|
|
:param prefix: path prefix to the root of this tree
|
|
:param f_write: Which file to write into
|
|
:return:
|
|
"""
|
|
if isinstance(tree, dict):
|
|
for k, v in tree.items():
|
|
prefix_path = prefix + "." + k
|
|
if isinstance(v, dict) or isinstance(v, list): # continue sub-tree
|
|
check_tree(v, prefix_path, f_write)
|
|
else: # leaf
|
|
result = v
|
|
if 'cert' in k or 'id_bytes' in k or 'value' in k and 'hash' not in k:
|
|
#print(prefix_path)
|
|
success, result = decode_if_b64(v)
|
|
if success:
|
|
result = "b64({})".format(result)
|
|
f_write.write("{}={}\n".format(prefix_path, result))
|
|
elif isinstance(tree, list):
|
|
for i, v in enumerate(tree):
|
|
prefix_path = "{}[{}]".format(prefix, i)
|
|
if isinstance(v, dict) or isinstance(v, list): # continue sub-tree
|
|
check_tree(v, prefix_path, f_write)
|
|
else: # leaf
|
|
result = v
|
|
if 'metadata' not in prefix_path:
|
|
success, result = decode_if_b64(v)
|
|
if success:
|
|
# print(prefix_path)
|
|
result = "b64({})".format(result)
|
|
f_write.write("{}={}\n".format(prefix_path, result))
|
|
else: # json only allow dict or list structure
|
|
print("Wrong format of json tree")
|
|
|
|
|
|
def process(directory):
|
|
"""
|
|
Process all json files under the path
|
|
:param directory: Check json files under which directory
|
|
:return:
|
|
"""
|
|
for f in os.listdir(directory):
|
|
if f.endswith(".block.json"):
|
|
file_name = os.path.join(json_dir, f)
|
|
f_read = open(file=file_name, mode="r", encoding='utf-8')
|
|
f_write = open(file=file_name+"-flat.json", mode="w", encoding='utf-8')
|
|
check_tree(json.load(f_read), "", f_write)
|
|
f_read.close()
|
|
f_write.close()
|
|
else:
|
|
print("Ignore non-json file {}".format(f))
|
|
|
|
|
|
# Usage python json_flatter.py [path_containing_json_files]
|
|
# Print all json elements in flat structure
|
|
# e.g.,
|
|
# {
|
|
# "a": {
|
|
# "b": ["c", "d"]
|
|
# }
|
|
# }
|
|
# ==>
|
|
# a.b[0]=c
|
|
# a.b[1]=d
|
|
if __name__ == '__main__':
|
|
json_dir = "../raft/channel-artifacts/"
|
|
if len(sys.argv) > 1:
|
|
json_dir = sys.argv[1]
|
|
|
|
print("Will process json files under {}".format(json_dir))
|
|
process(json_dir)
|