find.py

#!/usr/bin/env python
# -*- coding: utf8 -*-
import sys
import json
import getopt

from jawa.core.jf import JarFile
from jawa.core.constants import ConstantClass, ConstantFieldRef


def main(argv):
    try:
        opts, args = getopt.gnu_getopt(argv[1:], '', [
            'debug',
            'bukkit='
        ])
    except getopt.GetoptError, e:
        print(str(e))
        return 1

    debug = False
    bukkit = None
    for o, a in opts:
        if o == '--debug':
            debug = True
        elif o == '--bukkit':
            bukkit = a

    # You would expand this to handle either bukkit or craftbukkit.
    if bukkit is None:
        print('--bukkit=<path> is required.')
        return 1

    bukkit_jar = JarFile(bukkit)
    final_results = {}
    bad_classes = set()

    for arg in args:
        current_jar = final_results.setdefault(arg, dict())
        with JarFile(arg) as jf:
            for cf in jf.all_classes():
                current_class = current_jar.setdefault(cf.this.name, dict())
                missing_classes = current_class.setdefault(
                    'missing_classes', list())
                missing_fields = current_class.setdefault(
                    'missing_fields', list())

                # Find all class references, and ensure that the class
                # is implemented in bukkit.
                q = cf.constants.find(
                    ConstantClass,
                    f=lambda c: c.name.startswith('org/bukkit')
                )
                for result in q:
                    if '{}.class'.format(result.name) in bukkit_jar.namelist:
                        continue
                    missing_classes.append({
                        'name': result.name
                    })
                    bad_classes.add(result.name)

                # Find all field references and ensure that they
                # implemented in bukkit.
                q = cf.constants.find(
                    ConstantFieldRef,
                    f=lambda f: f.class_.name.startswith('org/bukkit')
                )
                for result in q:
                    if result.class_.name in bad_classes:
                        missing_fields.append({
                            'name': result.name_and_type.name,
                            'why': 'Missing Bukkit Class',
                            'class_': result.class_.name
                        })
                        continue

                    bukkit_class = bukkit_jar.open_class('{}.class'.format(
                        result.class_.name
                    ))
                    bukkit_field = bukkit_class.fields.find_one(
                        result.name_and_type.name
                    )
                    if not bukkit_field:
                        missing_fields.append({
                            'name': result.name_and_type.name,
                            'why': 'Field Not Declared',
                            'class_': result.class_.name
                        })
                        continue

    print(json.dumps(final_results, sort_keys=True, indent=4))

if __name__ == '__main__':
    sys.exit(main(sys.argv))

output.json

☁  Jawa [master] ⚡ python find.py --bukkit test/Bukkit-1.1-R5.jar test/PermissionsBukkit-1.2.jar
{
    "test/PermissionsBukkit-1.2.jar": {
        "com/platymuus/bukkit/permissions/BlockListener": {
            "missing_classes": [
                {
                    "name": "org/bukkit/event/block/BlockListener"
                }, 
                {
                    "name": "org/bukkit/util/config/Configuration"
                }
            ], 
            "missing_fields": []
        }, 
        "com/platymuus/bukkit/permissions/Group": {
            "missing_classes": [
                {
                    "name": "org/bukkit/util/config/ConfigurationNode"
                }
            ], 
            "missing_fields": []
        }, 
        "com/platymuus/bukkit/permissions/PermissionInfo": {
            "missing_classes": [
                {
                    "name": "org/bukkit/util/config/ConfigurationNode"
                }
            ], 
            "missing_fields": []
        }, 
        "com/platymuus/bukkit/permissions/PermissionsCommand": {
            "missing_classes": [
                {
                    "name": "org/bukkit/util/config/Configuration"
                }, 
                {
                    "name": "org/bukkit/util/config/ConfigurationNode"
                }
            ], 
            "missing_fields": []
        }, 
        "com/platymuus/bukkit/permissions/PermissionsCommand$1": {
            "missing_classes": [], 
            "missing_fields": []
        }, 
        "com/platymuus/bukkit/permissions/PermissionsPlugin": {
            "missing_classes": [
                {
                    "name": "org/bukkit/event/Event$Type"
                }, 
                {
                    "name": "org/bukkit/event/Event$Priority"
                }, 
                {
                    "name": "org/bukkit/util/config/ConfigurationNode"
                }, 
                {
                    "name": "org/bukkit/util/config/Configuration"
                }
            ], 
            "missing_fields": [
                {
                    "class_": "org/bukkit/event/Event$Type", 
                    "name": "PLAYER_JOIN", 
                    "why": "Missing Bukkit Class"
                }, 
                {
                    "class_": "org/bukkit/event/Event$Priority", 
                    "name": "Lowest", 
                    "why": "Missing Bukkit Class"
                }, 
                {
                    "class_": "org/bukkit/event/Event$Type", 
                    "name": "PLAYER_MOVE", 
                    "why": "Missing Bukkit Class"
                }, 
                {
                    "class_": "org/bukkit/event/Event$Type", 
                    "name": "PLAYER_TELEPORT", 
                    "why": "Missing Bukkit Class"
                }, 
                {
                    "class_": "org/bukkit/event/Event$Type", 
                    "name": "PLAYER_QUIT", 
                    "why": "Missing Bukkit Class"
                }, 
                {
                    "class_": "org/bukkit/event/Event$Priority", 
                    "name": "Monitor", 
                    "why": "Missing Bukkit Class"
                }, 
                {
                    "class_": "org/bukkit/event/Event$Type", 
                    "name": "PLAYER_KICK", 
                    "why": "Missing Bukkit Class"
                }, 
                {
                    "class_": "org/bukkit/event/Event$Type", 
                    "name": "PLAYER_INTERACT", 
                    "why": "Missing Bukkit Class"
                }, 
                {
                    "class_": "org/bukkit/event/Event$Priority", 
                    "name": "Normal", 
                    "why": "Missing Bukkit Class"
                }, 
                {
                    "class_": "org/bukkit/event/Event$Type", 
                    "name": "BLOCK_BREAK", 
                    "why": "Missing Bukkit Class"
                }, 
                {
                    "class_": "org/bukkit/event/Event$Type", 
                    "name": "BLOCK_PLACE", 
                    "why": "Missing Bukkit Class"
                }
            ]
        }, 
        "com/platymuus/bukkit/permissions/PlayerListener": {
            "missing_classes": [
                {
                    "name": "org/bukkit/event/player/PlayerListener"
                }, 
                {
                    "name": "org/bukkit/util/config/Configuration"
                }
            ], 
            "missing_fields": []
        }
    }
}