def savefile(request):
if request.method == 'POST':
print(request)
print(request.FILES)
file_obj = request.FILES.get('img')
print(file_obj)
file_path = os.path.join('static/uploadfiles/', file_obj.name)
with open(file_path, 'wb') as f:
for chunk in file_obj.chunks():
f.write(chunk)
# return HttpResponse(file_path)
bwm1 = WaterMark(password_img=1, password_wm=1)
bwm1.read_img('static/uploadfiles/' + file_obj.name)
wm = '@zipu888 大神万岁！'
bwm1.read_wm(wm, mode='str')
bwm1.embed('static/uploadfiles/bwfiles/' + file_obj.name)
len_wm = len(bwm1.wm_bit)
print('Put down the length of wm_bit {len_wm}'.format(len_wm=len_wm))
img = cv.imread('static/uploadfiles/bwfiles/' + file_obj.name)
# 降噪处理
dst = cv.fastNlMeansDenoisingColored(img, None, 7, 7, 7, 21)
cv.imwrite('static/uploadfiles/sfiles/' + file_obj.name,
dst,
params=None)
data = {
'srcImg': '/static/uploadfiles/' + file_obj.name,
'desImg': '/static/uploadfiles/bwfiles/' + file_obj.name
}
result = {'code': 0, 'msg': 'success', 'data': data}
return HttpResponse(json.dumps(result), content_type="application/json")
def batch_embed():
password_wm = int(input('算法采用双密码系统，请设定密码1：(必须是数字)'))
password_img = int(input('算法采用双密码系统，请设定密码2：(必须是数字)'))
bwm1 = WaterMark(password_wm=password_wm, password_img=password_img)
_, _, files = list(os.walk("watermark"))[0]
if len(files) == 0:
print('wartermark 文件夹中没有图片！，即将退出！')
return
else:
watermark = files[0]
print('水印是 {}'.format(watermark))
# read watermark
bwm1.read_wm('watermark/{watermark}'.format(watermark=watermark))
watermark_shape = cv2.imread(
'watermark/{watermark}'.format(watermark=watermark)).shape[:]
print('请记下水印大小，解密的时候需要输入: {}x{}'.format(*watermark_shape))
# read images
_, _, images = list(os.walk("images"))[0]
if len(images) == 0:
print('images 文件夹中没有图片！，即将退出！')
return
else:
print('已经读取原图：{}个，分别是 {}'.format(len(images), ', '.join(images)))
for image in images:
bwm1.read_img('images/{image}'.format(image=image))
bwm1.embed('output/{image}'.format(image=image))
print('images/{image} 已经被打上水印，并放入 output/{image}'.format(image=image))
def test_add_text_watermark_with_cipher(self):
marker = self.marker
marker._read_data(self.image, self.text)
a, b, c = marker._get_encryption_code()
self.assertEqual(a, 123)
self.assertEqual(b, 321)
wm = WaterMark()
wm.read_img(self.image)
wm.read_wm(self.text, mode='str')
bit_length = len(wm.wm_bit)
self.assertEqual(c, bit_length)
def mod_1():
attempts = 0
success = False
while attempts < 3000 and not success:
try:
print("默认工作模式：")
password_wm = 123
password_img = 123
password_wm = get_value(password_wm,"请输入水印加密密码，只能是数字组合")
password_img = get_value(password_img,"请输入原图加密密码，只能是数字组合")
bwm1 = WaterMark(password_wm, password_img)
print("请将你的原图放置于yuantu文件夹下")
yuantu_name_head = "abc"
yuantu_name_head = get_str(yuantu_name_head,"输入你的原图文件名,要带后缀,例如：abc.png/abc.jpg|不支持带汉字文件名")
yuantu_name = 'yuantu/'+yuantu_name_head
check_mark(yuantu_name)
print("正在寻找"+yuantu_name+"文件")
bwm1.read_img(yuantu_name)
print("图片已经被读取")
shu_liang = 50
shu_liang = get_value(shu_liang,"输入你想生成的图片数量，目前最大支持60张，\n 你可以自行放入wm_61/wm_62...，然后输入数量即可")
i = 1
int(i)
int(shu_liang)
while i < shu_liang+1:
ge_shi = str('.png')
shuiyin_tu = str('shuiyin/wm_')
shuiyin_name = shuiyin_tu+str(i)+ge_shi
shuchu_tu = str('shuchu/img_')
shuchu_name = shuchu_tu+str(i)+"_"+yuantu_name_head
str(shuiyin_name)
str(shuchu_name)
print(shuiyin_name+"水印读取中")
print(shuchu_name+"输出图生成中")
bwm1.read_wm(shuiyin_name)
bwm1.embed(shuchu_name)
print(str(i/shu_liang*100)+"%已经完成")
i =i+ 1
except:
print("程序出错，可能是你输入的图片过小，没有足够空间添加水印，或输入文件名称错误,,请从头开始")
attempts += 1
if attempts == 3000:
break
return 0
def mod_2():
attempts = 0
success = False
while attempts < 3000 and not success:
try:
print("自定义工作模式：")
print("提示：此模式可以添加任意水印到任意图中，请注意本程序限制了水印的大小\n 以防止过大水印造成的画质损失，水印推荐使用透明底黑色标记符号或高反差图像，\n 原图越大，你可以写入的水印就越大，对于更大的图片，建议放置白底黑色二维码，\n 如果程序窗口出错，请注意出错内容中，可容纳大小提示")
password_wm = 123
password_img = 123
password_wm = get_value(password_wm,"请输入水印加密密码，只能是数字组合")
password_img = get_value(password_img,"请输入原图加密密码，只能是数字组合")
bwm1 = WaterMark(password_wm, password_img)
print("请将你的原图放置于yuantu文件夹下")
yuantu_name = "abc"
yuantu_name = get_str(yuantu_name,"输入你的原图文件名,要带后缀,例如：abc.png/abc.jpg|不支持带汉字文件名")
yuantu_name = 'yuantu/'+yuantu_name
print("正在寻找"+yuantu_name+"原图文件")
bwm1.read_img(yuantu_name)
shuiyin_name = "abc"
shuiyin_name = get_str(shuiyin_name,"输入你的水印文件名,要带后缀,例如：abc.png/abc.jpg|不支持带汉字文件名")
shuiyin_name = 'shuiyin/'+shuiyin_name
check_mark(yuantu_name)
print("正在寻找"+shuiyin_name+"水印文件")
bwm1.read_wm(shuiyin_name)
shuchu_name = "abc"
shuchu_name = get_str(shuchu_name,"输入你想要的输出文件名,要带后缀,例如：abc.png/abc.jpg|不支持带汉字文件名")
shuchu_name = 'shuchu/'+shuchu_name
print("正在输出"+shuchu_name+"已加水印文件,请等待结束提示")
bwm1.embed(shuchu_name)
print("输出完毕\n\n\n\n")
except:
print("程序出错，可能是你输入的图片过小，没有足够空间添加水印，或输入文件名称错误,请从头开始")
attempts += 1
if attempts == 3000:
break
return 0
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# embed string
import numpy as np
from blind_watermark import WaterMark
from blind_watermark import att
from blind_watermark.recover import estimate_crop_parameters, recover_crop
import cv2
bwm = WaterMark(password_img=1, password_wm=1)
bwm.read_img('pic/ori_img.jpeg')
wm = '@guofei9987 开源万岁！'
bwm.read_wm(wm, mode='str')
bwm.embed('output/embedded.png')
len_wm = len(bwm.wm_bit) # 解水印需要用到长度
print('Put down the length of wm_bit {len_wm}'.format(len_wm=len_wm))
ori_img_shape = cv2.imread('pic/ori_img.jpeg').shape[:2] # 抗攻击有时需要知道原图的shape
# %% 解水印
bwm1 = WaterMark(password_img=1, password_wm=1)
wm_extract = bwm1.extract('output/embedded.png', wm_shape=len_wm, mode='str')
print("不攻击的提取结果：", wm_extract)
assert wm == wm_extract, '提取水印和原水印不一致'
# %%截屏攻击 = 裁剪攻击 + 缩放攻击 + 知道攻击参数（按照参数还原）
loc = ((0.1, 0.1), (0.5, 0.5))
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
from blind_watermark import WaterMark
bwm1 = WaterMark(password_wm=1, password_img=1)
# 读取原图
bwm1.read_img('pic/ori_img.jpeg')
# 读取水印
bwm1.read_wm('pic/watermark.png')
# 打上盲水印
bwm1.embed('output/embedded.png')
# %% 解水印
bwm1 = WaterMark(password_wm=1, password_img=1)
# 注意需要设定水印的长宽wm_shape
bwm1.extract(
filename='output/embedded.png',
wm_shape=(64, 64),
out_wm_name='output/wm_extracted.png',
)
# 除了嵌入图片，也可以嵌入比特类数据
import numpy as np
from blind_watermark import WaterMark
bwm1 = WaterMark(password_img=1, password_wm=1)
# 读取原图
bwm1.read_img('pic/原图.jpg')
# 读取水印
wm = [True, False, True, True, True, False, True, True, False, True]
bwm1.read_wm(wm, mode='bit')
# 打上盲水印
bwm1.embed('output/打上水印的图.png')
# %% 解水印
# 注意设定水印的长宽wm_shape
bwm1 = WaterMark(password_img=1, password_wm=1)
wm_extract = bwm1.extract('output/打上水印的图.png', wm_shape=10, mode='bit')
print(wm_extract)
assert np.all(wm == (wm_extract > 0.5)), '提取水印和原水印不一致'
from blind_watermark import WaterMark
bwm1 = WaterMark(4399, 2333, 36, 20,block_shape=(4,4))
# 读取原图
bwm1.read_ori_img('pic/原图.jpg')
# 读取水印
bwm1.read_wm('pic/水印.png')
# 打上盲水印
bwm1.embed('output/打上水印的图.png')
# %% 解水印
bwm1 = WaterMark(4399, 2333, 36, 20, wm_shape=(128, 128),block_shape=(4,4))
# 注意需要设定水印的长宽wm_shape
bwm1.extract('output/打上水印的图.png', 'output/解出的水印.png')
shu_liang = int(input("输入你想生成的图片数量，目前最大支持50张哦\n"))
i = 1
int(i)
int(shu_liang)
while i < shu_liang+1:
ge_shi = str('.png')
shuiyin_tu = str('shuiyin/wm_')
shuiyin_name = shuiyin_tu+str(i)+ge_shi
shuchu_tu = str('shuchu/img_')
shuchu_name = shuchu_tu+str(i)+"_"+yuantu_name_head
str(shuiyin_name)
str(shuchu_name)
print(shuiyin_name+"水印读取中")
print(shuchu_name+"输出图生成中")
print(str(i/shu_liang*100)+"%已经完成")
bwm1.read_wm(shuiyin_name)
bwm1.embed(shuchu_name)
i =i+ 1
if work_mode == 2:
print("自定义工作模式：")
print("提示：此模式可以添加任意水印到任意图中，请注意本程序限制了水印的大小\n 以防止过大水印造成的画质损失，水印推荐使用透明底黑色标记符号或高反差图像，\n 原图越大，你可以写入的水印就越大，对于更大的图片，建议放置白底黑色二维码，\n 如果程序窗口出错，请注意出错内容中，可容纳大小提示")
password_wm = int(input("请输入水印加密密码，（请记住此密码，解密时需要）只可以任意长度数字即可：\n"))
password_img = int(input("请输入原图加密密码，（请记住此密码，解密时需要）只可以任意长度数字即可：\n"))
bwm1 = WaterMark(password_wm, password_img)
print("请将你的原图放置于yuantu文件夹下")
yuantu_name = str(input("输入你的原图文件名,要带后缀哦，比如：“测试图.png“：\n"))
yuantu_name = 'yuantu/'+yuantu_name
print("正在寻找"+yuantu_name+"原图文件")
bwm1.read_img(yuantu_name)
class Marker:
def __init__(self, password_wm, password_img):
self._password_wm = password_wm
self._password_img = password_img
self.bwm = WaterMark(password_wm=password_wm,
password_img=password_img)
self._bit_length = 0
self._path_to_image = ''
def add_text_mark_write(self,
path_to_image,
wm_text,
path_to_output,
is_with_passcode=False):
lg.info(f'Working directory: {os.getcwd()}')
lg.info(f'Parameters: {path_to_image}, {wm_text}, {path_to_output}')
self._path_to_image = path_to_image
self._read_data(path_to_image, wm_text)
if is_with_passcode:
path = self._write_to_with_passcode(path_to_output)
else:
path = self._write_to(path_to_output)
lg.info(f'File saved to: {os.path.abspath(path_to_output)}')
lg.info(f'Watermark is: {wm_text}')
return path
def _write_to(self, path_to_output):
self.bwm.embed(path_to_output)
return path_to_output
def _write_to_with_passcode(self, path_to_output):
basename = os.path.basename(path_to_output)
dirname = os.path.dirname(path_to_output)
filename, suffix = os.path.splitext(basename)
lg.info(f'Suffix: {suffix}')
path_to_output_with_passcode = f'{os.path.join(dirname, filename)}' \
f'_{self._password_wm}' \
f'_{self._password_img}' \
f'_{self._bit_length}' \
f'{suffix}'
lg.info(f'Output: {path_to_output_with_passcode}')
lg.info(
f'Don\'t forget your password pair for this image: {self._password_wm}, {self._password_img}'
)
return self._write_to(path_to_output_with_passcode)
@staticmethod
def extract_text_mark(path_to_image, password=None):
import re
lg.info(password)
if password:
_tmp = password
else:
_tmp = path_to_image
match = re.match(r'.*_(\d+)_(\d+)_(\d+)\.\D{3,4}', _tmp)
lg.info(match)
if not match:
raise Exception
# a, b, length = (int(x) for x in password.split('_'))
a, b, length = (int(x) for x in match.groups())
lg.info(f'{a}, {b}, {length}')
wm = WaterMark(a, b)
result = wm.extract(path_to_image, length, mode='str')
lg.info(f'Extracted text watermark: {result}')
return result
def _read_data(self, path_to_image, wm_text):
if not os.path.isfile(path_to_image):
raise FileNotFoundError
self.bwm.read_img(path_to_image)
self.bwm.read_wm(wm_text, mode='str')
self._bit_length = len(self.bwm.wm_bit)
def _get_encryption_code(self):
if self._bit_length == 0:
raise NotImplementedError
return self._password_wm, self._password_img, self._bit_length