| 1 | import os |
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| 2 | import os.path |
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| 3 | import shutil |
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| 4 | import ldap |
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| 5 | import subprocess |
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| 6 | import pwd |
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| 7 | import multiprocessing |
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| 8 | |
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| 9 | |
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| 10 | class NetShareOperations: |
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| 11 | |
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| 12 | USER_DIRS=["Music","Videos","Pictures","Documents","Share","Groups"] |
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| 13 | LOG_FILE="/var/log/n4d/fileoperations" |
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| 14 | STUDENTS_FOLDER="/net/server-sync/home/students/" |
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| 15 | NET_TMP="/net/.tmp/" |
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| 16 | |
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| 17 | def __init__(self): |
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| 18 | |
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| 19 | if not os.path.exists(NetShareOperations.NET_TMP): |
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| 20 | os.mkdir(NetShareOperations.NET_TMP) |
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| 21 | |
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| 22 | #def init |
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| 23 | |
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| 24 | |
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| 25 | def send_file_to_group(self,group,orig_path,dest_folder="Desktop"): |
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| 26 | |
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| 27 | p = subprocess.Popen(["llxcfg-showvars","LDAP_BASE_DN"],stdout=subprocess.PIPE) |
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| 28 | output = p.communicate()[0] |
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| 29 | if output != "": |
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| 30 | basedn = output.split("'")[1] |
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| 31 | |
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| 32 | connect_ldap = ldap.initialize('ldap://server') |
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| 33 | connect_ldap.PORT = 636 |
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| 34 | ldap_result = connect_ldap.search_s("ou=Managed,ou=Group,"+basedn,ldap.SCOPE_SUBTREE,'cn='+group) |
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| 35 | try: |
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| 36 | ret=ldap_result[0][1] |
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| 37 | if ret.has_key("memberUid"): |
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| 38 | tmp=orig_path.split("/") |
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| 39 | file_name=tmp[len(tmp)-1] |
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| 40 | shutil.copy(orig_path,NetShareOperations.NET_TMP+file_name) |
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| 41 | for item in ret["memberUid"]: |
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| 42 | try: |
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| 43 | student_folder=NetShareOperations.STUDENTS_FOLDER+item+"/"+dest_folder+"/" |
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| 44 | src=NetShareOperations.NET_TMP+file_name |
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| 45 | dst=student_folder+file_name |
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| 46 | user_uid=pwd.getpwnam(item)[2] |
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| 47 | user_gid=pwd.getpwnam(item)[3] |
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| 48 | queue=multiprocessing.Queue() |
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| 49 | p=multiprocessing.Process(target=self.copy_file_as_user,args=(src,dst,user_uid,user_gid,True,queue)) |
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| 50 | p.start() |
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| 51 | p.join() |
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| 52 | ret=queue.get() |
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| 53 | if ret!=True: |
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| 54 | self.log("send_file_to_group",e,"copying from net to student folder multiprocess" + item) |
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| 55 | return False |
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| 56 | |
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| 57 | except Exception as e: |
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| 58 | self.log("send_file_to_group",e,"copying from net to student folder " + item) |
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| 59 | return False |
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| 60 | |
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| 61 | os.remove(NetShareOperations.NET_TMP+file_name) |
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| 62 | return True |
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| 63 | except Exception as e: |
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| 64 | self.log("send_file_to_group",e,group + " " + orig_path + " " + dest_folder) |
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| 65 | try: |
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| 66 | os.remove(NetShareOperations.NET_TMP+file_name) |
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| 67 | except: |
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| 68 | pass |
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| 69 | return False |
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| 70 | else: |
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| 71 | return False |
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| 72 | |
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| 73 | |
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| 74 | #def send_file_to_group |
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| 75 | |
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| 76 | def copy_file_as_user(self,src,dst,uid,gid,delete,queue): |
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| 77 | |
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| 78 | try: |
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| 79 | os.setgid(gid) |
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| 80 | os.setuid(uid) |
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| 81 | shutil.copy(src,dst) |
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| 82 | queue.put(True) |
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| 83 | except Exception as e: |
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| 84 | queue.put(e) |
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| 85 | |
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| 86 | #def copy_file_as_user |
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| 87 | |
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| 88 | def delete_dir_content(self,dir,net_share_safe=False): |
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| 89 | try: |
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| 90 | |
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| 91 | for item in os.listdir(dir): |
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| 92 | if os.path.isfile(dir+item): |
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| 93 | os.remove(dir+item) |
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| 94 | elif os.path.isdir(dir+item): |
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| 95 | |
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| 96 | if net_share_safe: |
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| 97 | if item not in NetShareOperations.USER_DIRS: |
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| 98 | shutil.rmtree(dir+item) |
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| 99 | else: |
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| 100 | self.delete_dir_content(dir+item+"/",net_share_safe) |
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| 101 | else: |
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| 102 | shutil.rmtree(dir+item) |
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| 103 | except Exception as e: |
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| 104 | print(e) |
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| 105 | self.log("delete_dir_content",e,dir + item) |
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| 106 | |
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| 107 | def log(self,function_name,exception,comment=None): |
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| 108 | |
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| 109 | try: |
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| 110 | f=open(NetShareOperations.LOG_FILE,"a") |
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| 111 | f.write("* When calling " + function_name + " something happened...\n\t") |
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| 112 | f.write(str(exception)) |
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| 113 | f.write("\n") |
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| 114 | if comment!=None: |
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| 115 | f.write("\tCoder Hint: " + str(comment)) |
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| 116 | f.write("\n") |
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| 117 | f.close() |
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| 118 | except: |
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| 119 | pass |
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| 120 | |
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| 121 | #def log |
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| 122 | |
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| 123 | |
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| 124 | |
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| 125 | if __name__=="__main__": |
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| 126 | |
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| 127 | nso=NetShareOperations() |
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| 128 | nso.send_file_to_group("4ESOA","asd") |
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| 129 | nso.send_file_to_group("asdddd","asd") |
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