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Adeel Ahmad
web programming lab 2
Commits
94d7016a
Commit
94d7016a
authored
2 years ago
by
Adeel Ahmad
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94d7016a
from
flask
import
Flask
,
request
import
random
import
json
import
database_helper
as
database_helper
import
re
app
=
Flask
(
__name__
)
# function to signin the user with post method
# We will expect 2 string values email address password.
# if the authentication is successful we will return access token
@app.route
(
"
/sign_in
"
,
methods
=
[
"
POST
"
])
def
sign_in
():
email_address
=
request
.
form
.
get
(
"
email
"
,
""
)
password
=
request
.
form
.
get
(
"
password
"
,
""
)
if
len
(
email_address
)
==
0
or
len
(
password
)
==
0
:
return
json
.
dumps
(
{
"
success
"
:
False
,
"
message
"
:
"
Form data missing or incorrect type.
"
}
)
result
=
database_helper
.
find_user_by_email_password
(
email_address
,
password
)
if
result
[
"
status
"
]
==
True
:
if
len
(
result
[
"
data
"
])
==
0
:
return
json
.
dumps
(
{
"
success
"
:
False
,
"
message
"
:
"
Wrong username or password.
"
}
)
else
:
token
=
random
.
getrandbits
(
30
)
database_helper
.
add_user_email_token
(
email_address
,
token
)
return
json
.
dumps
(
{
"
success
"
:
True
,
"
message
"
:
"
Successfully sign in.
"
,
"
data
"
:
str
(
token
),
}
)
return
json
.
dumps
({
"
success
"
:
False
,
"
message
"
:
"
error in sign in
"
})
# function to signup the user with post method
# We will expect 7 string values following: email, password, firstname, familyname, gender, city and country.
# if the sign_up is successful we will return access token
@app.route
(
"
/sign_up
"
,
methods
=
[
"
POST
"
])
def
sign_up
():
regex
=
r
"
\b[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Z|a-z]{2,7}\b
"
email_address
=
request
.
form
.
get
(
"
email
"
,
""
)
password
=
request
.
form
.
get
(
"
password
"
,
""
)
firstname
=
request
.
form
.
get
(
"
firstname
"
,
""
)
familyname
=
request
.
form
.
get
(
"
familyname
"
,
""
)
gender
=
request
.
form
.
get
(
"
gender
"
,
""
)
city
=
request
.
form
.
get
(
"
city
"
,
""
)
country
=
request
.
form
.
get
(
"
country
"
,
""
)
if
(
len
(
email_address
)
==
0
or
len
(
password
)
==
0
or
len
(
firstname
)
==
0
or
len
(
familyname
)
==
0
or
len
(
gender
)
==
0
or
len
(
city
)
==
0
or
len
(
country
)
==
0
):
return
json
.
dumps
(
{
"
success
"
:
False
,
"
message
"
:
"
Form data missing or incorrect type.
"
}
)
if
len
(
password
)
<
8
:
return
json
.
dumps
(
{
"
success
"
:
False
,
"
message
"
:
"
Password should be at least 8 characters long.
"
,
}
)
if
re
.
fullmatch
(
regex
,
email_address
)
is
None
:
return
json
.
dumps
(
{
"
success
"
:
False
,
"
message
"
:
"
Invalid email, please provide valid email address
"
,
}
)
if
database_helper
.
user_exists_email
(
email_address
):
return
json
.
dumps
({
"
success
"
:
False
,
"
message
"
:
"
User already exists.
"
})
result
=
database_helper
.
create_user
(
email_address
,
password
,
firstname
,
familyname
,
gender
,
city
,
country
)
if
result
[
"
status
"
]
==
True
:
return
json
.
dumps
(
{
"
success
"
:
True
,
"
message
"
:
"
Successfully created a new user.
"
}
)
return
json
.
dumps
({
"
success
"
:
False
,
"
message
"
:
"
error in sign up
"
})
# function to signout the user with post method
# We will expect 1 string values token.
# if the token is valid we will signout the user
@app.route
(
"
/sign_out
"
,
methods
=
[
"
DELETE
"
])
def
sign_out
():
token
=
request
.
headers
.
get
(
"
token
"
,
""
)
if
len
(
token
)
==
0
:
return
json
.
dumps
({
"
success
"
:
False
,
"
message
"
:
"
Token missing or incorrect.
"
})
result
=
database_helper
.
find_token
(
token
)
if
(
len
(
result
[
"
data
"
]))
==
0
:
return
json
.
dumps
({
"
success
"
:
False
,
"
message
"
:
"
You are not signed in.
"
})
result
=
database_helper
.
remove_token
(
token
)
if
result
[
"
status
"
]
==
True
:
return
json
.
dumps
({
"
success
"
:
True
,
"
message
"
:
"
Successfully signed out.
"
})
elif
result
[
"
status
"
]
==
False
:
return
json
.
dumps
({
"
success
"
:
False
,
"
message
"
:
result
[
"
data
"
]})
return
json
.
dumps
({
"
success
"
:
False
,
"
message
"
:
"
error in sign out
"
})
# function to change password of the user with put method
# We will expect 3 string values token, oldPassword, newPassword: .
# if the data is valid we will change password of the user
@app.route
(
"
/change_password
"
,
methods
=
[
"
PUT
"
])
def
change_password
():
token
=
request
.
headers
.
get
(
"
token
"
,
""
)
oldPassword
=
request
.
form
.
get
(
"
oldPassword
"
,
""
)
newPassword
=
request
.
form
.
get
(
"
newPassword
"
,
""
)
if
len
(
token
)
==
0
:
return
json
.
dumps
({
"
success
"
:
False
,
"
message
"
:
"
Token missing or incorrect.
"
})
if
len
(
oldPassword
)
==
0
or
len
(
newPassword
)
==
0
:
return
json
.
dumps
(
{
"
success
"
:
False
,
"
message
"
:
"
Form data missing or incorrect type.
"
}
)
if
len
(
oldPassword
)
<
8
or
len
(
newPassword
)
<
8
:
return
json
.
dumps
(
{
"
success
"
:
False
,
"
message
"
:
"
old password and new password length should be grater then 8.
"
,
}
)
if
oldPassword
==
newPassword
:
return
json
.
dumps
(
{
"
success
"
:
False
,
"
message
"
:
"
old password and new password should be different.
"
,
}
)
# validate token
result
=
database_helper
.
find_token
(
token
)
if
(
len
(
result
[
"
data
"
]))
==
0
:
return
json
.
dumps
({
"
success
"
:
False
,
"
message
"
:
"
You are not logged in.
"
})
email
=
result
[
"
data
"
][
0
][
1
]
# find_user_by_email_password
result
=
database_helper
.
find_user_by_email_password
(
email
,
oldPassword
)
if
result
[
"
status
"
]
==
True
and
(
len
(
result
[
"
data
"
]))
==
0
:
return
json
.
dumps
({
"
success
"
:
False
,
"
message
"
:
"
Wrong password.
"
})
result
=
database_helper
.
change_password
(
email
,
newPassword
)
if
result
[
"
status
"
]
==
True
:
return
json
.
dumps
({
"
success
"
:
False
,
"
message
"
:
"
Password changed.
"
})
return
json
.
dumps
({
"
success
"
:
False
,
"
message
"
:
"
error in change password
"
})
# function to get the user with get method.
# We will expect 2 string values email and token: .
# if the data is valid we return the user data
@app.route
(
"
/get_user_data_by_email
"
,
methods
=
[
"
GET
"
])
def
get_user_data_by_email
():
token
=
request
.
headers
.
get
(
"
token
"
,
""
)
email
=
request
.
form
.
get
(
"
email
"
,
""
)
if
len
(
token
)
==
0
:
return
json
.
dumps
({
"
success
"
:
False
,
"
message
"
:
"
Token missing or incorrect.
"
})
if
len
(
email
)
==
0
:
return
json
.
dumps
(
{
"
success
"
:
False
,
"
message
"
:
"
Form data missing or incorrect type.
"
}
)
# validate token
result
=
database_helper
.
find_token
(
token
)
if
(
len
(
result
[
"
data
"
]))
==
0
:
return
json
.
dumps
({
"
success
"
:
False
,
"
message
"
:
"
You are not logged in.
"
})
# find_user_by_email_password
result
=
database_helper
.
find_user_by_email
(
email
)
if
result
[
"
status
"
]
==
True
and
(
len
(
result
[
"
data
"
]))
!=
0
:
temp_user
=
{
"
email
"
:
result
[
"
data
"
][
0
][
0
],
"
firstname
"
:
result
[
"
data
"
][
0
][
2
],
"
familyname
"
:
result
[
"
data
"
][
0
][
3
],
"
gender
"
:
result
[
"
data
"
][
0
][
4
],
"
city
"
:
result
[
"
data
"
][
0
][
5
],
"
country
"
:
result
[
"
data
"
][
0
][
6
],
}
return
json
.
dumps
(
{
"
success
"
:
True
,
"
message
"
:
"
user details
"
,
"
data
"
:
temp_user
}
)
elif
result
[
"
status
"
]
==
True
and
(
len
(
result
[
"
data
"
]))
==
0
:
return
json
.
dumps
({
"
success
"
:
False
,
"
message
"
:
"
Invalid user email
"
})
return
json
.
dumps
({
"
success
"
:
False
,
"
message
"
:
"
error in get_user_data_by_email
"
})
# function to get the user with post method
# We will expect 1 string values token: .
# if the data is valid we return the user data
@app.route
(
"
/get_user_data_by_token
"
,
methods
=
[
"
GET
"
])
def
get_user_data_by_token
():
token
=
request
.
headers
.
get
(
"
token
"
,
""
)
if
len
(
token
)
==
0
:
return
json
.
dumps
({
"
success
"
:
False
,
"
message
"
:
"
Token missing or incorrect.
"
})
# validate token
result
=
database_helper
.
find_token
(
token
)
if
(
len
(
result
[
"
data
"
]))
==
0
:
return
json
.
dumps
({
"
success
"
:
False
,
"
message
"
:
"
You are not logged in.
"
})
email
=
result
[
"
data
"
][
0
][
1
]
# find_user_by_email_password
result
=
database_helper
.
find_user_by_email
(
email
)
if
result
[
"
status
"
]
==
True
and
(
len
(
result
[
"
data
"
]))
!=
0
:
temp_user
=
{
"
email
"
:
result
[
"
data
"
][
0
][
0
],
"
firstname
"
:
result
[
"
data
"
][
0
][
2
],
"
familyname
"
:
result
[
"
data
"
][
0
][
3
],
"
gender
"
:
result
[
"
data
"
][
0
][
4
],
"
city
"
:
result
[
"
data
"
][
0
][
5
],
"
country
"
:
result
[
"
data
"
][
0
][
6
],
}
return
json
.
dumps
(
{
"
success
"
:
True
,
"
message
"
:
"
user details
"
,
"
data
"
:
temp_user
}
)
return
json
.
dumps
({
"
success
"
:
False
,
"
message
"
:
"
error in get_user_data_by_token
"
})
# function to get the user messages post method
# We will expect 1 string values token: .
# if the data is valid we return the user data
@app.route
(
"
/get_user_messages_by_token
"
,
methods
=
[
"
GET
"
])
def
get_user_messages_by_token
():
token
=
request
.
headers
.
get
(
"
token
"
,
""
)
if
len
(
token
)
==
0
:
return
json
.
dumps
({
"
success
"
:
False
,
"
message
"
:
"
Token missing or incorrect.
"
})
# validate token
result
=
database_helper
.
find_token
(
token
)
if
(
len
(
result
[
"
data
"
]))
==
0
:
return
json
.
dumps
({
"
success
"
:
False
,
"
message
"
:
"
You are not logged in.
"
})
email
=
result
[
"
data
"
][
0
][
1
]
# find_user_by_email_password
result
=
database_helper
.
get_message_from_email
(
email
)
if
result
[
"
status
"
]
==
True
and
(
len
(
result
[
"
data
"
]))
==
0
:
return
json
.
dumps
({
"
success
"
:
True
,
"
message
"
:
"
No messages available
"
})
elif
result
[
"
status
"
]
==
True
and
(
len
(
result
[
"
data
"
]))
!=
0
:
temp_data
=
[]
for
message
in
result
[
"
data
"
]:
temp_data
.
append
({
"
email
"
:
message
[
2
],
"
message
"
:
message
[
1
]})
return
json
.
dumps
({
"
success
"
:
True
,
"
data
"
:
temp_data
})
return
json
.
dumps
({
"
success
"
:
False
,
"
message
"
:
"
error in get user data by token
"
})
# function to get the user messages post method
# We will expect 1 string values email: .
# if the data is valid we return the user data
@app.route
(
"
/get_user_messages_by_email
"
,
methods
=
[
"
GET
"
])
def
get_user_messages_by_email
():
token
=
request
.
headers
.
get
(
"
token
"
,
""
)
email
=
request
.
form
.
get
(
"
email
"
,
""
)
if
len
(
token
)
==
0
:
return
json
.
dumps
({
"
success
"
:
False
,
"
message
"
:
"
Token missing or incorrect.
"
})
if
len
(
email
)
==
0
:
return
json
.
dumps
(
{
"
success
"
:
False
,
"
message
"
:
"
Form data missing or incorrect type.
"
}
)
# validate token
result
=
database_helper
.
find_token
(
token
)
if
(
len
(
result
[
"
data
"
]))
==
0
:
return
json
.
dumps
({
"
success
"
:
False
,
"
message
"
:
"
You are not logged in.
"
})
# validate email
result
=
database_helper
.
find_user_by_email
(
email
)
if
result
[
"
status
"
]
==
True
and
(
len
(
result
[
"
data
"
]))
==
0
:
return
json
.
dumps
({
"
success
"
:
False
,
"
message
"
:
"
Invalid user email
"
})
# find_user_by_email_password
result
=
database_helper
.
get_message_from_email
(
email
)
if
result
[
"
status
"
]
==
True
and
(
len
(
result
[
"
data
"
]))
==
0
:
return
json
.
dumps
({
"
success
"
:
True
,
"
message
"
:
"
No messages available
"
})
elif
result
[
"
status
"
]
==
True
and
(
len
(
result
[
"
data
"
]))
!=
0
:
temp_data
=
[]
for
message
in
result
[
"
data
"
]:
temp_data
.
append
({
"
email
"
:
message
[
2
],
"
message
"
:
message
[
1
]})
return
json
.
dumps
({
"
success
"
:
True
,
"
data
"
:
temp_data
})
return
json
.
dumps
({
"
success
"
:
False
,
"
message
"
:
"
error in get user data by token
"
})
# function to get the post messages
# We will expect 3 string values token, message, email.
# if the data is valid we return the user data
@app.route
(
"
/post_message
"
,
methods
=
[
"
POST
"
])
def
post_message
():
recipient_email
=
request
.
form
.
get
(
"
email
"
,
""
)
token
=
request
.
headers
.
get
(
"
token
"
,
""
)
message
=
request
.
form
.
get
(
"
message
"
,
""
)
if
len
(
token
)
==
0
:
return
json
.
dumps
({
"
success
"
:
False
,
"
message
"
:
"
Token missing or incorrect.
"
})
if
len
(
recipient_email
)
==
0
or
len
(
message
)
==
0
:
return
json
.
dumps
(
{
"
success
"
:
False
,
"
message
"
:
"
Form data missing or incorrect type.
"
}
)
# validate token
result
=
database_helper
.
find_token
(
token
)
if
(
len
(
result
[
"
data
"
]))
==
0
:
return
json
.
dumps
({
"
success
"
:
False
,
"
message
"
:
"
You are not logged in.
"
})
curr_user_email
=
result
[
"
data
"
][
0
][
1
]
# validate email
result
=
database_helper
.
find_user_by_email
(
recipient_email
)
if
result
[
"
status
"
]
==
True
and
(
len
(
result
[
"
data
"
]))
==
0
:
return
json
.
dumps
({
"
success
"
:
False
,
"
message
"
:
"
Invalid user email
"
})
result
=
database_helper
.
add_message_and_email
(
curr_user_email
,
message
,
recipient_email
)
if
result
[
"
status
"
]
==
True
:
return
json
.
dumps
({
"
success
"
:
True
,
"
message
"
:
"
Message posted
"
})
return
json
.
dumps
({
"
success
"
:
False
,
"
message
"
:
"
error in get_user_data_by_token
"
})
app
.
run
(
host
=
"
0.0.0.0
"
,
port
=
5000
)
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