Embodiment
In an embodiment of the present invention, give the shared side and the DPF agreement authorization information of DPF shared file, the user is by send Email in the E-mail address of setting to DPF, comprise shared file in this Email, and the information relevant with authorization information, DPF verifies according to the authorization information of this agreement whether this Email is legal shared mail, if legal shared mail then obtains and presents shared file in the Email.
As shown in Figure 1, be an embodiment of the shared file acquisition methods of DPF provided by the invention, this embodiment comprises:
Step 100, the E-mail address that the DPF login is set;
Setting is used for the E-mail address to the DPF shared file, if there is the user to give this DPF with the file-sharing of oneself, then this E-mail address is informed this user; This E-mail address can be common E-mail address.
DPF can adopt general login mode to login this E-mail address, is stored in DPF as user name and password with this mailbox, and DPF receives agreement (as the POP3 agreement) according to Email, according to user name and this E-mail address of cryptographic acess.
Step 101 judges according to the authorization information of described digital photo frame stores whether the Email in the E-mail address of described setting is legal shared mail; If then execution in step 102;
Because the E-mail address of setting for DPF can be common E-mail address, anyly can send any mail to this mailbox per capita, for the Email discerned in this E-mail address is that the sharer sends to this DPF, the file that presents in this mail for DPF sends, simultaneously also in order to prevent spam or malice mail, DPF will carry out the judgement of legitimacy to the Email that receives, and judges promptly whether the mail that receives is legal shared mail.
The E-mail address that the sharer sets to DPF by Email sends before the file, DPF and sharer have arranged authorization information, this authorization information of digital photo frame stores, in the Email that sends file, DPF also comprised simultaneously and the relevant information of authorization information of agreement, so can judge whether the Email in the E-mail address of described setting is legal shared mail according to authorization information.
Step 102 is obtained and is presented file in the described Email.
Judge that the mail in the E-mail address is legal shared mail, can think that the mail received is used for mail to the DPF shared file for the sharer.
The file of sharing can exist with the form of e-mail attachment, and the annex that DPF can be downloaded one's e-mail obtains the file of sharing.The file that should share is the file that DPF can present, as the text that digital photo frame can present, and picture file, audio file and video file etc.
In the above-described embodiments, the sharer can give the DPF shared file by Email, DPF judges by the authorization information of agreement whether the Email that receives is the shared mail of shared file, thereby obtain the shared file of sharing in the mail, make the file-sharing of DPF that special server need not be set, the user need not apply for space and account number having made things convenient for the file-sharing of DPF on special server yet.
As shown in Figure 2, in one embodiment of the invention, judge that according to the authorization information of described digital photo frame stores whether Email in the E-mail address of described setting is that the step (step 101) of legal shared mail can comprise:
Step 201 is obtained the e-mail summary info of described Email;
DPF according to the agreement of file-sharing side, obtain the e-mail summary info of Email in the relevant position of Email, for example, can from the title of Email, obtain summary info, also can from the text of Email, obtain summary info.Legal shared side can be by appointment, and the e-mail summary info that will be used to verify places the ad-hoc location of mail with certain form, so that DPF obtains.
Step 202 generates the checking summary info according to the authorization information of described digital photo frame stores in the mode with shared file transmit leg agreement;
The authorization information of this both sides' agreement can be to share password, also can be other authorization informations.DPF and shared side appoint this authorization information, and legal shared root generates the e-mail summary info according to this authorization information in the mode of arranging, and DPF also generates the checking summary info according to this authorization information with identical stipulated form.
Step 203 judges that whether the e-mail summary info is identical with the checking summary info, if identical, shows that then Email is legal shared mail; Otherwise Email is not legal shared mail.
In this embodiment, authorization information is not directly to transmit in mail, but generate summary info according to authorization information, utilize summary info to carry out the legitimate verification of mail, after having reduced mail and being intercepted and captured, authorization information is known by other people, and then is disturbed the risk of the file-sharing of DPF.
In one embodiment of the invention, as shown in Figure 3, generating checking summary info (step 202) according to the authorization information of described digital photo frame stores in the mode with shared file transmit leg agreement can comprise:
Step 301 generates the first checking summary info according to the authorization information of digital photo frame stores and the transmission address of described Email;
Particularly, can adopt message digest algorithm, as CRC (Cyclic Redundancy Check, cyclic redundancy check (CRC)) algorithm, MD (message-diges, information-summary) algorithm, SHA (SecureHash Algorithm, Secure Hash Algorithm) etc. to calculating the transmission address of authorization information and Email, obtain the first checking summary info.
As, adopt the MD5 algorithm that the transmission address of authorization information and Email is calculated, obtain the first checking summary info:
Digest1_DPF=MD5 (P, sign ID, sender Email address);
Wherein, P is an authorization information, can be DPF and shares the password of side's agreement, and the title of the Email that sign ID can send for the sharer also can be character string arbitrarily, and this sign ID obtains from Email.
Judge whether identical (step 203) can comprise the e-mail summary info with the checking summary info:
Step 302 judges that the first checking summary info is whether identical with the first e-mail summary info in the e-mail summary info;
Comprise the first e-mail summary info in the e-mail summary info that DPF obtains, legal shared root generates the first e-mail summary info according to the rule with the DPF agreement, and this first e-mail summary info sent to the mailbox of setting to DPF by Email, DPF is logined the mailbox of this setting, obtain this first e-mail summary info, if the first e-mail summary info is identical by the first checking summary info that the rule with shared side agreement generates with DPF, then this Email of decidable is legal shared mail.
In this embodiment, the sharer is sent the email address of sharing mail to join in the calculating of summary info, even a legal sharer is intercepted and captured to the Email that DPF sends, the interceptor transmits this mail and gives DPF, email address of transmitting because of the interceptor and legal sharer's E-mail address is inconsistent, DPF calculate first the checking summary info will with forwarding by mail in obtain first the e-mail summary info inconsistent, so can judge the transmit leg of the Email of this forwarding is not legal sharer, is transmitted to the interference that DPF brings so this embodiment can prevent the intercepting and capturing of mail.
In one embodiment of the invention, equally as shown in Figure 3, generating checking summary info (step 202) according to the authorization information of described digital photo frame stores in the mode with shared file transmit leg agreement can comprise:
Step 303 generates the second checking summary info according to the authorization information of described digital photo frame stores and the file of described Email;
Particularly, can adopt message digest algorithm, as CRC (Cyclic Redundancy Check, cyclic redundancy check (CRC)) algorithm, MD (message-diges, information-summary) algorithm, SHA (SecureHash Algorithm, Secure Hash Algorithm) etc. the file in authorization information and the Email is calculated, obtain the second checking summary info.
As, adopt the MD5 algorithm that the file in authorization information and the Email is calculated, obtain the second checking summary info:
Digest2_DPF=MD5 (P, file);
Wherein, file is the shared file that the expectation DPF obtains and presents in the Email.
Judge whether identical (step 203) can comprise the e-mail summary info with the checking summary info:
Step 304 judges that the second checking summary info is whether identical with the second e-mail summary info in the e-mail summary info;
Comprise the second e-mail summary info in the e-mail summary info that DPF obtains, legal shared root generates the second e-mail summary info according to the rule with the DPF agreement, and this second e-mail summary info sent to the mailbox of setting to DPF by Email, DPF is logined the mailbox of this setting, obtain this second e-mail summary info, if the second e-mail summary info is identical by the second checking summary info that the rule with shared side agreement generates with DPF, then this Email of decidable is legal shared mail.
In this embodiment, the file of Email is joined in the calculating of summary info, even the interceptor changes the shared file in the legal Email, the mail that to change again behind the file sends to DPF, and the Email that DPF also can identify this forwarding is not legal shared mail.
Still as shown in Figure 3, in one embodiment of the invention, also can be with step 301, step 302, step 303 and step 304 combine, in this embodiment, DPF judges earlier whether the first checking summary info is identical with the first e-mail summary info, if inequality, then delete this mail or do not process, if identical, then obtain the file in the Email, calculate the second checking summary info according to this document and authorization information again,, think that then this mail is legal shared mail if the second checking summary info is identical with the second e-mail summary info that obtains.
In one embodiment of the invention, before the E-mail address that the DPF login is set, also can comprise:
Wait for the time of subscribing;
In this embodiment, DPF need not be constantly online, but the timer access E-mail address, thereby save Internet resources.
In one embodiment of the invention, before the E-mail address that the DPF login is set, also can comprise:
Receive SMS notification;
In this embodiment, DPF is connected into network with wireless mode, by wireless network login mailbox, when the E-mail address that has new mail arrives to set to DPF, Email server notification short message service center sends SMS message and is notified to DPF, after DPF is received this SMS notification, the mailbox that login is set.
In this embodiment, just can visit the mailbox of setting when determining in the E-mail address of setting, new mail arrives to be arranged, also without timer access, save Internet resources without real-time online.
The present invention also provides a kind of method to DPF transmission shared file, and as shown in Figure 4, an embodiment for this method comprises:
Step 400 generates the e-mail summary according to the authorization information with the DPF agreement in the mode with the DPF agreement;
Generate the e-mail summary info according to authorization information in mode with the DPF agreement with the DPF agreement, DPF can generate identical summary info with same mode according to same authorization information, and whether the summary info that summary info that generates according to self and transmit leg generate is identical judges whether Email is legal shared mail.
Step 401 sends to E-mail address to described DPF setting with described e-mail summary and described shared file with the form of Email; Described e-mail summary is used to verify the legitimacy of described Email.
Pass through present embodiment, the Email that DPF is set by visit, obtain the e-mail summary info that transmit leg generates, whether the e-mail summary info that generates according to the summary info that self generates and transmit leg is identical judges whether Email is legal shared mail.
As shown in Figure 5, in one embodiment of the invention, generating e-mail summary (step 400) according to the authorization information with the DPF agreement in the mode with the DPF agreement can comprise:
Step 501 generates the described first e-mail summary info according to described with the authorization information of DPF side agreement and the transmission address of described Email.
Particularly, can adopt message digest algorithm, as CRC (Cyclic Redundancy Check, cyclic redundancy check (CRC)) algorithm, MD (message-diges, information-summary) algorithm, SHA (SecureHash Algorithm, Secure Hash Algorithm) etc. to calculating the transmission address of authorization information and Email, obtain the first e-mail summary info.
As, adopt the MD5 algorithm that the transmission address of authorization information and Email is calculated, obtain the first e-mail summary info:
Digest1_EML=MD5 (P, sign ID, sender Email address);
Wherein, P is an authorization information, can be DPF and shares the password of side's agreement, the title of the Email that sign ID can send for the sharer, also can be character string arbitrarily, this sign ID sends to the E-mail address of setting to DPF by Email.
In this embodiment, the sharer is sent the email address of sharing mail to join in the calculating of summary info, even a legal sharer is intercepted and captured to the Email that DPF sends, the interceptor transmits this mail and gives DPF, email address of transmitting because of the interceptor and legal sharer's E-mail address is inconsistent, DPF calculate first the checking summary info will with forwarding by mail in obtain first the e-mail summary info inconsistent, so can judge the transmit leg of the Email of this forwarding is not legal sharer, is transmitted to the interference that DPF brings so this embodiment can prevent the intercepting and capturing of mail.
Still as shown in Figure 5, in one embodiment of the invention, generating e-mail summary (step 400) according to the authorization information with the DPF agreement in the mode with the DPF agreement can comprise:
Step 502 generates the described second e-mail summary info according to the authorization information of described digital photo frame stores and described shared file.
Particularly, can adopt message digest algorithm, as CRC (Cyclic Redundancy Check, cyclic redundancy check (CRC)) algorithm, MD (message-diges, information-summary) algorithm, SHA (SecureHash Algorithm, Secure Hash Algorithm) etc. authorization information and shared file are calculated, obtained the second e-mail summary info.
As, adopt the MD5 algorithm that authorization information and shared file are calculated, obtain the second checking summary info:
Digest2_EML=MD5 (P, shared file);
Wherein, shared file is to send by Email, the file that the expectation DPF obtains and presents.
In this embodiment, the file of Email is joined in the calculating of summary info, even the interceptor changes the shared file in the legal Email, the mail that to change again behind the file sends to DPF, and the Email that DPF also can identify this forwarding is not legal shared mail.
Still, in one embodiment of the invention, generate e-mail summary (step 400) according to authorization information in mode and also can comprise step 501 and step 502 simultaneously with the DPF agreement with the DPF agreement with reference to figure 5.
Through the above description of the embodiments, those skilled in the art can be well understood to some embodiments of the present invention and can realize by the mode that software adds essential general hardware platform, can certainly realize by hardware.Based on such understanding, technical scheme of the present invention can embody with the form of software product, and this software product is stored in the storage medium, comprises that some instructions are used so that a computing equipment is carried out the described method of each embodiment of the present invention.
As shown in Figure 6, the present invention also provides a kind of DPF, and in one embodiment of the invention, this DPF comprises:
Mailbox access unit 600 is used to visit the E-mail address of setting;
Setting is used for the E-mail address to the DPF shared file, if there is the user to give this DPF with the file-sharing of oneself, then this E-mail address is informed this user; This E-mail address can be common E-mail address.
Mailbox access unit 600 can adopt general login mode to login this E-mail address, be stored in DPF as user name and password with this mailbox, mailbox access unit 600 receives agreement (as the POP3 agreement) according to Email, according to user name and this E-mail address of cryptographic acess.
Memory cell 602 is used for storage authentication information;
The E-mail address that the sharer sets to DPF by Email sends before the file, and DPF and sharer have arranged authorization information, and the authorization information of this both sides' agreement can be to share password, also can be other authorization informations.Memory cell 602 these authorization informations of storage in the Email that sends file, have also comprised the relevant information of authorization information with agreement simultaneously.
Judging unit 601 is used for judging according to described authorization information whether the Email of the E-mail address of described setting is legal shared mail;
Because the E-mail address of setting for DPF can be common E-mail address, anyly can send any mail to this mailbox per capita, for the Email discerned in this E-mail address is that the sharer sends to this DPF, the file that presents in this mail for DPF sends, simultaneously also in order to prevent spam or malice mail, judging unit 601 will carry out the judgement of legitimacy to the Email that receives according to the authorization information of memory cell 602 storages, judges promptly whether the mail that receives is legal shared mail.
Display unit 603 when being used for judged result at described judging unit 601 and being described Email and be legal shared mail, obtains and presents file in the described Email.
Shared side is carried in the Email, and the file that presents for display unit 603 can send with this Email with the form of annex, and this document can be the text that display unit 603 can present, graphic file, audio file or video file etc.
The DPF that adopts the foregoing description to provide, the sharer can give the DPF shared file by Email, DPF judges by the authorization information of agreement whether the Email that receives is the shared mail of shared file, thereby obtain the shared file of sharing in the mail, make the file-sharing of DPF that special server need not be set, the user need not apply for space and account number having made things convenient for the file-sharing of DPF on special server yet.
Still as shown in Figure 6, in an embodiment of DPF provided by the invention, judging unit 601 can comprise:
Acquiring unit 6010 is used to obtain the e-mail summary info of described Email;
Acquiring unit 6010 according to the agreement of file-sharing side, obtain the e-mail summary info of Email in the relevant position of Email, for example, can from the title of Email, obtain summary info, also can from the text of Email, obtain summary info.Legal shared side can be by appointment, and the e-mail summary info that will be used to verify places the ad-hoc location of mail with certain form, so that acquiring unit 6010 obtains.
Checking summary generation unit 6011 is used for according to described authorization information to generate the checking summary info with the mode of sharing side's agreement;
Legal shared root generates the e-mail summary info according to the authorization information with the DPF agreement in the mode of arranging, and checking summary generation unit 6011 also generates the checking summary info according to memory cell 602 storage authentication information with identical stipulated form.
Comparing unit 6012, whether be used for more described e-mail summary info identical with described checking summary info;
Described display unit 603 specifically is used for, and under the described e-mail summary info situation identical with described checking summary info, obtains and presents file in the described Email.
The DPF that adopts this embodiment to provide, authorization information is not directly transmitted in mail, but generate summary info according to authorization information, utilize summary info to carry out the legitimate verification of mail, after having reduced mail and being intercepted and captured, authorization information is known by other people, and then is disturbed the risk of the file-sharing of DPF.
Still with reference to figure 6, in an embodiment of DPF provided by the invention, the e-mail summary info that acquiring unit 6010 obtains comprises the first e-mail summary info; Summary generation unit 6011 can comprise:
First generation unit 61 is used for generating the first checking summary info according to the transmission address of described authorization information and described Email;
Particularly, first generation unit 61 can adopt message digest algorithm, as CRC (CyclicRedundancy Check, cyclic redundancy check (CRC)) algorithm, MD (message-diges, information-summary) algorithm, SHA (Secure Hash Algorithm, Secure Hash Algorithm) etc. to calculating the transmission address of authorization information and Email, obtain the first checking summary info.
As, first generation unit 61 adopts the MD5 algorithm that the transmission address of authorization information and Email is calculated, and obtains the first checking summary info:
Digest1_DPF=MD5 (P, sign ID, sender Email address);
Wherein, P is an authorization information, can be DPF and shares the password of side's agreement, and the title of the Email that sign ID can send for the sharer also can be character string arbitrarily, and this sign ID obtains from Email.
Whether described comparing unit 6012 specifically is used for the more described first e-mail summary info identical with the described first checking summary info;
Described display unit 603 specifically is used for, and under described first e-mail summary info and the identical situation of the described first e-mail summary info, obtains and presents file in the described Email.
The DPF that this embodiment provides, the sharer is sent the email address of sharing mail to join in the calculating of summary info, even a legal sharer is intercepted and captured to the Email that DPF sends, the interceptor transmits this mail and gives DPF, email address of transmitting because of the interceptor and legal sharer's E-mail address is inconsistent, DPF calculate first the checking summary info will with forwarding by mail in obtain first the e-mail summary info inconsistent, so can judge the transmit leg of the Email of this forwarding is not legal sharer, is transmitted to the interference that DPF brings so this embodiment can prevent the intercepting and capturing of mail.
As shown in Figure 6, in an embodiment of DPF provided by the invention, the e-mail summary info that acquiring unit 6010 obtains comprises the second e-mail summary info; Checking summary generation unit 6011 can comprise:
Second generation unit 62 is used for generating the second checking summary info according to the file of described authorization information and described Email;
Particularly, second generation unit 62 can adopt message digest algorithm, as CRC (CyclicRedundancy Check, cyclic redundancy check (CRC)) algorithm, MD (message-diges, information-summary) algorithm, SHA (Secure Hash Algorithm, Secure Hash Algorithm) etc. the file in authorization information and the Email is calculated, obtain the second checking summary info.
As, second generation unit 62 adopts the MD5 algorithm that the file in authorization information and the Email is calculated, and obtains the second checking summary info:
Digest2_DPF=MD5 (P, file);
Wherein, file is the shared file that expectation display unit 603 obtains and presents in the Email.
Whether described comparing unit 6012 specifically is used for the more described second e-mail summary info identical with the described second checking summary info;
Described display unit 603 specifically is used for, and under described second e-mail summary info and the identical situation of the described second e-mail summary info, obtains and presents file in the described Email.
The DPF that this embodiment provides, the file of Email is joined in the calculating of summary info, even the interceptor changes the shared file in the legal Email, the mail that to change again behind the file sends to DPF, and the Email that DPF also can identify this forwarding is not legal shared mail.
In the embodiment of DPF provided by the invention, checking summary generation unit 6011 also can comprise first generation unit 61 and second generation unit 62 simultaneously, and the working method of this Unit two is above having a detailed description, does not repeat them here.At this moment, whether described comparing unit 6012 specifically is used for the more described first e-mail summary info identical with the described first checking summary info, and whether the described first e-mail summary info is identical with the described first checking summary info; Described display unit 603 specifically is used for, identical at the described first e-mail summary info with the described first e-mail summary info, and under described second e-mail summary info and the identical situation of the described second e-mail summary info, obtain and present file in the described Email.
In an embodiment of DPF provided by the invention, this DPF also can comprise:
Trigger element 604 is used for producing photos and sending messages after receiving SMS notification or waiting for the scheduled time;
Described mailbox access unit 600 specifically is used for visiting according to described trigger message the E-mail address of described setting.
DPF among this embodiment just can be visited the mailbox of setting when determining in the E-mail address of setting new mail arrives to be arranged, also without timer access, saved Internet resources without real-time online.
Figure 7 shows that a kind of device to DPF transmission shared file provided by the invention, in an embodiment of this device provided by the invention, this device can comprise:
E-mail summary generation unit 700 is used for generating the e-mail summary according to the authorization information with the DPF agreement in the mode with the DPF agreement; Described e-mail summary is used to verify the legitimacy of described Email;
E-mail summary generation unit 700 generates the e-mail summary info according to the authorization information with the DPF agreement in the mode with the DPF agreement, DPF can generate identical summary info with same mode according to same authorization information, and whether the summary info that summary info that generates according to self and transmit leg generate is identical judges whether Email is legal shared mail.
E-mail transmitting element 701 is used for described e-mail summary and described shared file are sent to E-mail address to described DPF setting with the form of Email.
The device shared file of utilizing present embodiment to provide, DPF can be by the Email of visit setting, obtain the e-mail summary info that this device generates, whether the e-mail summary info that generates according to the summary info that self generates and transmit leg is identical judges whether Email is legal shared mail.
Still with reference to figure 7, in an embodiment of a kind of device that sends shared file to DPF provided by the invention, described e-mail summary info comprises the first e-mail summary info; Described e-mail summary generation unit 700 comprises:
First generation unit 7001 is used for generating the described first e-mail summary info according to described with the authorization information of DPF agreement and the transmission address of described Email.
Particularly, first generation unit 7001 can adopt message digest algorithm, as CRC (CyclicRedundancy Check, cyclic redundancy check (CRC)) algorithm, MD (message-diges, information-summary) algorithm, SHA (Secure Hash Algorithm, Secure Hash Algorithm) etc. to calculating the transmission address of authorization information and Email, obtain the first e-mail summary info.
As, first generation unit 7001 adopts the MD5 algorithm that the transmission address of authorization information and Email is calculated, and obtains the first e-mail summary info:
Digest1_EML=MD5 (P, sign ID, sender Email address);
Wherein, P is an authorization information, can be DPF and shares the password of side's agreement, the title of the Email that sign ID can send for the sharer, also can be character string arbitrarily, this sign ID sends to the E-mail address of setting to DPF by Email.
The device that this embodiment provides, join in the calculating of summary info sending the email address of sharing mail, even a legal sharer is intercepted and captured to the Email that DPF sends, the interceptor transmits this mail and gives DPF, email address of transmitting because of the interceptor and legal sharer's E-mail address is inconsistent, DPF calculate first the checking summary info will with forwarding by mail in obtain first the e-mail summary info inconsistent, so can judge the transmit leg of the Email of this forwarding is not legal sharer,, the device that utilizes this embodiment to provide to prevent that the intercepting and capturing of mail are transmitted to the interference that DPF brings so sending shared mail.
Still with reference to figure 7, in an embodiment of a kind of device that sends shared file to DPF provided by the invention, the e-mail summary info comprises the second e-mail summary info;
E-mail summary generation unit 700 comprises:
Second generation unit 7002 is used for generating the described second e-mail summary info according to authorization information and described shared file with the DPF agreement.
Particularly, second generation unit 7002 can adopt message digest algorithm, as CRC (CyclicRedundancy Check, cyclic redundancy check (CRC)) algorithm, MD (message-diges, information-summary) algorithm, SHA (Secure Hash Algorithm, Secure Hash Algorithm) etc. authorization information and shared file are calculated, obtained the second e-mail summary info.
As, second generation unit 7002 adopts the MD5 algorithm that authorization information and shared file are calculated, and obtains the second checking summary info:
Digest2_EML=MD5 (P, shared file);
Wherein, shared file is to send by Email, the file that the expectation DPF obtains and presents.
The device that this embodiment provides, the file of Email is joined in the calculating of summary info, even the interceptor changes the shared file in the legal Email, the mail that to change again behind the file sends to DPF, and the Email that DPF also can identify this forwarding is not legal shared mail.
Should be understood that, in an embodiment of a kind of device that sends shared file to DPF provided by the invention, e-mail summary generation unit 700 also can comprise first generation unit 7001 and second generation unit 7002 simultaneously, the structure and the working method of these two unit are described in detail at preamble, do not repeat them here.
As shown in Figure 8, be the system of a kind of DPF file-sharing provided by the invention, in one embodiment of the invention, this system can comprise:
Shared file dispensing device 801 is used for generating the e-mail summary info according to authorization information, will transfer summary info and shared file are sent to setting with the form of Email E-mail address by telegram;
DPF 802 is used to visit the E-mail address of described setting, obtains the e-mail summary info in the described Email; And verify according to described authorization information and e-mail summary info whether described Email is legal shared mail, if this Email is legal shared mail, then obtains and present described shared file.
In the above-described embodiments, the sharer uses shared file dispensing device 801 to give DPF 802 shared files by Email, DPF 802 judges by the authorization information of agreement whether the Email that receives is the shared mail of shared file, thereby obtain the shared file of sharing in the mail, make the file-sharing of DPF that special server need not be set, the user need not apply for space and account number having made things convenient for the file-sharing of DPF on special server yet.
Still as shown in Figure 8, in an embodiment of the system of DPF file-sharing provided by the invention, this system can comprise:
Shared file dispensing device 801 is used for generating the e-mail summary info according to authorization information, will transfer summary info and shared file are sent to setting with the form of Email E-mail address by telegram;
The e-mail server 803 at the place, E-mail address of described setting is used to receive described Email, and sends a notification message after receiving described Email;
SMS service center 804 is used to receive after the described notification message of described e-mail server 803, sends SMS message;
DPF 802 receives the E-mail address that described short message is visited described setting afterwards, obtains the e-mail summary info in the described Email; And verify according to described authorization information and e-mail summary info whether described Email is legal shared mail, if this Email is legal shared mail, then obtains and present described shared file.
In the system that this embodiment provides, DPF 802 receives the short message of SMS service center 804 and just visits the E-mail address of setting afterwards, showing this moment has new Email to arrive in the E-mail address of this setting, so can accomplish to have only new Email to arrive after the E-mail address of setting, DPF 802 just can be visited the E-mail address of setting, thus the network resources waste of having avoided DPF real-time online or timer access to cause.
The above is embodiments more of the present invention, being equal to of the understandable above-mentioned execution mode of any person of ordinary skill in the field replace or obviously distortion all belong to protection scope of the present invention.